Exemplo n.º 1
0
    def __init__(self, y, x, regimes,
                 w=None, robust=None, gwk=None, sig2n_k=True,
                 nonspat_diag=True, spat_diag=False, moran=False, white_test=False,
                 vm=False, constant_regi='many', cols2regi='all',
                 regime_err_sep=True, cores=False,
                 name_y=None, name_x=None, name_regimes=None,
                 name_w=None, name_gwk=None, name_ds=None):

        n = USER.check_arrays(y, x)
        USER.check_y(y, n)
        USER.check_weights(w, y)
        USER.check_robust(robust, gwk)
        USER.check_spat_diag(spat_diag, w)
        self.name_x_r = USER.set_name_x(name_x, x)
        self.constant_regi = constant_regi
        self.cols2regi = cols2regi
        self.name_w = USER.set_name_w(name_w, w)
        self.name_gwk = USER.set_name_w(name_gwk, gwk)
        self.name_ds = USER.set_name_ds(name_ds)
        self.name_y = USER.set_name_y(name_y)
        self.name_regimes = USER.set_name_ds(name_regimes)
        self.n = n
        cols2regi = REGI.check_cols2regi(
            constant_regi, cols2regi, x, add_cons=False)
        self.regimes_set = REGI._get_regimes_set(regimes)
        self.regimes = regimes
        USER.check_regimes(self.regimes_set, self.n, x.shape[1])
        if regime_err_sep == True and robust == 'hac':
            set_warn(
                self, "Error by regimes is incompatible with HAC estimation. Hence, error by regimes has been disabled for this model.")
            regime_err_sep = False
        self.regime_err_sep = regime_err_sep
        if regime_err_sep == True and set(cols2regi) == set([True]) and constant_regi == 'many':
            self.y = y
            name_x = USER.set_name_x(name_x, x)
            regi_ids = dict(
                (r, list(np.where(np.array(regimes) == r)[0])) for r in self.regimes_set)
            self._ols_regimes_multi(x, w, regi_ids, cores,
                                    gwk, sig2n_k, robust, nonspat_diag, spat_diag, vm, name_x, moran, white_test)
        else:
            name_x = USER.set_name_x(name_x, x, constant=True)
            x, self.name_x = REGI.Regimes_Frame.__init__(self, x,
                                                         regimes, constant_regi, cols2regi, name_x)
            BaseOLS.__init__(
                self, y=y, x=x, robust=robust, gwk=gwk, sig2n_k=sig2n_k)
            if regime_err_sep == True and robust == None:
                y2, x2 = REGI._get_weighted_var(
                    regimes, self.regimes_set, sig2n_k, self.u, y, x)
                ols2 = BaseOLS(y=y2, x=x2, sig2n_k=sig2n_k)
                RegressionProps_basic(self, betas=ols2.betas, vm=ols2.vm)
                self.title = "ORDINARY LEAST SQUARES - REGIMES (Group-wise heteroskedasticity)"
                nonspat_diag = None
                set_warn(
                    self, "Residuals treated as homoskedastic for the purpose of diagnostics.")
            else:
                self.title = "ORDINARY LEAST SQUARES - REGIMES"
            self.robust = USER.set_robust(robust)
            self.chow = REGI.Chow(self)
            SUMMARY.OLS(reg=self, vm=vm, w=w, nonspat_diag=nonspat_diag,
                        spat_diag=spat_diag, moran=moran, white_test=white_test, regimes=True)
Exemplo n.º 2
0
 def GM_Lag_Regimes_Multi(self, y, x, w_i, regi_ids, cores=None,\
              yend=None, q=None, w_lags=1, lag_q=True,\
              robust=None, gwk=None, sig2n_k=False,cols2regi='all',\
              spat_diag=False, vm=False, name_y=None, name_x=None,\
              name_yend=None, name_q=None, name_regimes=None,\
              name_w=None, name_gwk=None, name_ds=None):
     pool = mp.Pool(cores)
     self.name_ds = USER.set_name_ds(name_ds)
     name_x = USER.set_name_x(name_x, x)
     name_yend.append(USER.set_name_yend_sp(name_y))
     self.name_w = USER.set_name_w(name_w, w_i)
     self.name_gwk = USER.set_name_w(name_gwk, gwk)
     results_p = {}
     for r in self.regimes_set:
         w_r = w_i[r].sparse
         results_p[r] = pool.apply_async(_work,args=(y,x,regi_ids,r,yend,q,w_r,w_lags,lag_q,robust,sig2n_k,self.name_ds,name_y,name_x,name_yend,name_q,self.name_w,name_regimes, ))
     self.kryd = 0
     self.kr = len(cols2regi) + 1
     self.kf = 0
     self.nr = len(self.regimes_set)
     self.name_x_r = name_x + name_yend
     self.name_regimes = name_regimes
     self.vm = np.zeros((self.nr*self.kr,self.nr*self.kr),float)
     self.betas = np.zeros((self.nr*self.kr,1),float)
     self.u = np.zeros((self.n,1),float)
     self.predy = np.zeros((self.n,1),float)
     self.predy_e = np.zeros((self.n,1),float)
     self.e_pred = np.zeros((self.n,1),float)
     pool.close()
     pool.join()
     results = {}
     self.name_y, self.name_x, self.name_yend, self.name_q, self.name_z, self.name_h = [],[],[],[],[],[]
     counter = 0
     for r in self.regimes_set:
         results[r] = results_p[r].get()
         results[r].predy_e, results[r].e_pred = sp_att(w_i[r],results[r].y,results[r].predy, results[r].yend[:,-1].reshape(results[r].n,1),results[r].betas[-1])
         results[r].w = w_i[r]
         self.vm[(counter*self.kr):((counter+1)*self.kr),(counter*self.kr):((counter+1)*self.kr)] = results[r].vm
         self.betas[(counter*self.kr):((counter+1)*self.kr),] = results[r].betas
         self.u[regi_ids[r],]=results[r].u
         self.predy[regi_ids[r],]=results[r].predy
         self.predy_e[regi_ids[r],]=results[r].predy_e
         self.e_pred[regi_ids[r],]=results[r].e_pred
         self.name_y += results[r].name_y
         self.name_x += results[r].name_x
         self.name_yend += results[r].name_yend
         self.name_q += results[r].name_q
         self.name_z += results[r].name_z
         self.name_h += results[r].name_h
         if r == self.regimes_set[0]:
             self.hac_var = np.zeros((self.n,results[r].h.shape[1]),float)
         self.hac_var[regi_ids[r],] = results[r].h                
         counter += 1
     self.multi = results
     if robust == 'hac':
         hac_multi(self,gwk,constant=True)
     self.chow = REGI.Chow(self)
     SUMMARY.GM_Lag_multi(reg=self, multireg=self.multi, vm=vm, spat_diag=spat_diag, regimes=True)
Exemplo n.º 3
0
    def __init__(self, y, x, regimes, w=None, constant_regi='many',
                 cols2regi='all', method='full', epsilon=0.0000001,
                 regime_err_sep=False, regime_lag_sep=False, cores=False, spat_diag=False,
                 vm=False, name_y=None, name_x=None,
                 name_w=None, name_ds=None, name_regimes=None):

        n = USER.check_arrays(y, x)
        USER.check_y(y, n)
        USER.check_weights(w, y, w_required=True)
        self.constant_regi = constant_regi
        self.cols2regi = cols2regi
        self.regime_err_sep = regime_err_sep
        self.name_ds = USER.set_name_ds(name_ds)
        self.name_y = USER.set_name_y(name_y)
        self.name_w = USER.set_name_w(name_w, w)
        self.name_regimes = USER.set_name_ds(name_regimes)
        self.n = n
        self.y = y

        x_constant = USER.check_constant(x)
        name_x = USER.set_name_x(name_x, x)
        self.name_x_r = name_x

        cols2regi = REGI.check_cols2regi(constant_regi, cols2regi, x)
        self.regimes_set = REGI._get_regimes_set(regimes)
        self.regimes = regimes
        USER.check_regimes(self.regimes_set, self.n, x.shape[1])
        self.regime_err_sep = regime_err_sep

        if regime_err_sep == True:
            if set(cols2regi) == set([True]):
                self._error_regimes_multi(y, x, regimes, w, cores,
                                          method, epsilon, cols2regi, vm, name_x, spat_diag)
            else:
                raise Exception, "All coefficients must vary accross regimes if regime_err_sep = True."
        else:
            regimes_att = {}
            regimes_att['x'] = x_constant
            regimes_att['regimes'] = regimes
            regimes_att['cols2regi'] = cols2regi
            x, name_x = REGI.Regimes_Frame.__init__(self, x_constant,
                                                    regimes, constant_regi=None, cols2regi=cols2regi,
                                                    names=name_x)

            BaseML_Error.__init__(
                self, y=y, x=x, w=w, method=method, epsilon=epsilon, regimes_att=regimes_att)

            self.title = "MAXIMUM LIKELIHOOD SPATIAL ERROR - REGIMES" + \
                " (METHOD = " + method + ")"
            self.name_x = USER.set_name_x(name_x, x, constant=True)
            self.name_x.append('lambda')
            self.kf += 1  # Adding a fixed k to account for lambda.
            self.chow = REGI.Chow(self)
            self.aic = DIAG.akaike(reg=self)
            self.schwarz = DIAG.schwarz(reg=self)
            self._cache = {}
            SUMMARY.ML_Error(
                reg=self, w=w, vm=vm, spat_diag=spat_diag, regimes=True)
Exemplo n.º 4
0
 def _tsls_regimes_multi(self, x, yend, q, w_i, regi_ids, cores,\
              gwk, sig2n_k, robust, spat_diag, vm, name_x, name_yend, name_q):
     pool = mp.Pool(cores)
     results_p = {}
     for r in self.regimes_set:
         if system() == 'Windows':
             is_win = True
             results_p[r] = _work(*(self.y,x,regi_ids,r,yend,q,robust,sig2n_k,self.name_ds,self.name_y,name_x,name_yend,name_q,self.name_w,self.name_regimes))
         else:
             results_p[r] = pool.apply_async(_work,args=(self.y,x,regi_ids,r,yend,q,robust,sig2n_k,self.name_ds,self.name_y,name_x,name_yend,name_q,self.name_w,self.name_regimes))
             is_win = False
     self.kryd = 0
     self.kr = x.shape[1]+yend.shape[1]+1
     self.kf = 0
     self.nr = len(self.regimes_set)
     self.vm = np.zeros((self.nr*self.kr,self.nr*self.kr),float)
     self.betas = np.zeros((self.nr*self.kr,1),float)
     self.u = np.zeros((self.n,1),float)
     self.predy = np.zeros((self.n,1),float)
     if not is_win:
         pool.close()
         pool.join()
     results = {}
     self.name_y, self.name_x, self.name_yend, self.name_q, self.name_z, self.name_h = [],[],[],[],[],[]
     counter = 0
     for r in self.regimes_set:
         if is_win:
             results[r] = results_p[r]
         else:
             results[r] = results_p[r].get()
         if w_i:
             results[r].w = w_i[r]
         else:
             results[r].w = None
         self.vm[(counter*self.kr):((counter+1)*self.kr),(counter*self.kr):((counter+1)*self.kr)] = results[r].vm
         self.betas[(counter*self.kr):((counter+1)*self.kr),] = results[r].betas
         self.u[regi_ids[r],]=results[r].u
         self.predy[regi_ids[r],]=results[r].predy
         self.name_y += results[r].name_y
         self.name_x += results[r].name_x
         self.name_yend += results[r].name_yend
         self.name_q += results[r].name_q
         self.name_z += results[r].name_z
         self.name_h += results[r].name_h
         counter += 1
     self.multi = results
     self.hac_var = sphstack(x,q)
     if robust == 'hac':
         hac_multi(self,gwk)
     self.chow = REGI.Chow(self)
     SUMMARY.TSLS_multi(reg=self, multireg=self.multi, vm=vm, spat_diag=spat_diag, regimes=True)
Exemplo n.º 5
0
 def __init__(self, y, x, regimes,\
              w=None, robust=None, gwk=None, sig2n_k=True,\
              nonspat_diag=True, spat_diag=False, moran=False,\
              vm=False, constant_regi='many', cols2regi='all',\
              regime_err_sep=False, cores=None,\
              name_y=None, name_x=None, name_regimes=None,\
              name_w=None, name_gwk=None, name_ds=None):         
     
     n = USER.check_arrays(y, x)
     USER.check_y(y, n)
     USER.check_weights(w, y)
     USER.check_robust(robust, gwk)
     USER.check_spat_diag(spat_diag, w)
     self.name_x_r = USER.set_name_x(name_x, x)
     self.constant_regi = constant_regi
     self.cols2regi = cols2regi        
     self.name_w = USER.set_name_w(name_w, w)
     self.name_gwk = USER.set_name_w(name_gwk, gwk)
     self.name_ds = USER.set_name_ds(name_ds)
     self.name_y = USER.set_name_y(name_y)
     self.name_regimes = USER.set_name_ds(name_regimes)
     self.n = n        
     if regime_err_sep == True:
         name_x = USER.set_name_x(name_x, x)
         self.y = y
         if cols2regi == 'all':
             cols2regi = [True] * (x.shape[1])
         self.regimes_set = list(set(regimes))
         self.regimes_set.sort()
         if w:
             w_i,regi_ids,warn = REGI.w_regimes(w, regimes, self.regimes_set, transform=True, get_ids=True, min_n=len(self.cols2regi)+1)
             set_warn(self,warn)
         else:
             regi_ids = dict((r, list(np.where(np.array(regimes) == r)[0])) for r in self.regimes_set)
             w_i = None
         if set(cols2regi) == set([True]):
             self._ols_regimes_multi(x, w_i, regi_ids, cores,\
              gwk, sig2n_k, robust, nonspat_diag, spat_diag, vm, name_x, moran)
         else:
             raise Exception, "All coefficients must vary accross regimes if regime_err_sep = True."
     else:
         name_x = USER.set_name_x(name_x, x,constant=True)
         x, self.name_x = REGI.Regimes_Frame.__init__(self, x,\
                 regimes, constant_regi, cols2regi, name_x)
         BaseOLS.__init__(self, y=y, x=x, robust=robust, gwk=gwk, \
                 sig2n_k=sig2n_k)
         self.title = "ORDINARY LEAST SQUARES - REGIMES"
         self.robust = USER.set_robust(robust)
         self.chow = REGI.Chow(self)
         SUMMARY.OLS(reg=self, vm=vm, w=w, nonspat_diag=nonspat_diag,\
                     spat_diag=spat_diag, moran=moran, regimes=True)
Exemplo n.º 6
0
 def _ols_regimes_multi(self, x, w_i, regi_ids, cores,\
              gwk, sig2n_k, robust, nonspat_diag, spat_diag, vm, name_x, moran):
     pool = mp.Pool(cores)
     results_p = {}
     for r in self.regimes_set:
         results_p[r] = pool.apply_async(_work,args=(self.y,x,regi_ids,r,robust,sig2n_k,self.name_ds,self.name_y,name_x,self.name_w,self.name_regimes))
     self.kryd = 0
     self.kr = x.shape[1]+1
     self.kf = 0
     self.nr = len(self.regimes_set)
     self.vm = np.zeros((self.nr*self.kr,self.nr*self.kr),float)
     self.betas = np.zeros((self.nr*self.kr,1),float)
     self.u = np.zeros((self.n,1),float)
     self.predy = np.zeros((self.n,1),float)
     pool.close()
     pool.join()
     results = {}
     self.name_y, self.name_x = [],[]
     counter = 0
     for r in self.regimes_set:
         results[r] = results_p[r].get()
         if w_i:
             results[r].w = w_i[r]
         else:
             results[r].w = None
         self.vm[(counter*self.kr):((counter+1)*self.kr),(counter*self.kr):((counter+1)*self.kr)] = results[r].vm
         self.betas[(counter*self.kr):((counter+1)*self.kr),] = results[r].betas
         self.u[regi_ids[r],]=results[r].u
         self.predy[regi_ids[r],]=results[r].predy
         self.name_y += results[r].name_y
         self.name_x += results[r].name_x
         counter += 1
     self.multi = results
     self.hac_var = x
     if robust == 'hac':
         hac_multi(self,gwk)
     self.chow = REGI.Chow(self)            
     SUMMARY.OLS_multi(reg=self, multireg=self.multi, vm=vm, nonspat_diag=nonspat_diag, spat_diag=spat_diag, moran=moran, regimes=True)
Exemplo n.º 7
0
    def GM_Lag_Regimes_Multi(self,
                             y,
                             x,
                             w_i,
                             w,
                             regi_ids,
                             cores=False,
                             yend=None,
                             q=None,
                             w_lags=1,
                             lag_q=True,
                             robust=None,
                             gwk=None,
                             sig2n_k=False,
                             cols2regi='all',
                             spat_diag=False,
                             vm=False,
                             name_y=None,
                             name_x=None,
                             name_yend=None,
                             name_q=None,
                             name_regimes=None,
                             name_w=None,
                             name_gwk=None,
                             name_ds=None):
        #        pool = mp.Pool(cores)
        self.name_ds = USER.set_name_ds(name_ds)
        name_x = USER.set_name_x(name_x, x)
        name_yend.append(USER.set_name_yend_sp(name_y))
        self.name_w = USER.set_name_w(name_w, w_i)
        self.name_gwk = USER.set_name_w(name_gwk, gwk)
        results_p = {}
        """
        for r in self.regimes_set:
            w_r = w_i[r].sparse
            if system() == 'Windows':
                is_win = True
                results_p[r] = _work(*(y,x,regi_ids,r,yend,q,w_r,w_lags,lag_q,robust,sig2n_k,self.name_ds,name_y,name_x,name_yend,name_q,self.name_w,name_regimes))
            else:                
                results_p[r] = pool.apply_async(_work,args=(y,x,regi_ids,r,yend,q,w_r,w_lags,lag_q,robust,sig2n_k,self.name_ds,name_y,name_x,name_yend,name_q,self.name_w,name_regimes, ))
                is_win = False
        """
        for r in self.regimes_set:
            w_r = w_i[r].sparse
            if cores:
                pool = mp.Pool(None)
                results_p[r] = pool.apply_async(_work,
                                                args=(
                                                    y,
                                                    x,
                                                    regi_ids,
                                                    r,
                                                    yend,
                                                    q,
                                                    w_r,
                                                    w_lags,
                                                    lag_q,
                                                    robust,
                                                    sig2n_k,
                                                    self.name_ds,
                                                    name_y,
                                                    name_x,
                                                    name_yend,
                                                    name_q,
                                                    self.name_w,
                                                    name_regimes,
                                                ))
            else:
                results_p[r] = _work(*(y, x, regi_ids, r, yend, q, w_r, w_lags,
                                       lag_q, robust, sig2n_k, self.name_ds,
                                       name_y, name_x, name_yend, name_q,
                                       self.name_w, name_regimes))

        self.kryd = 0
        self.kr = len(cols2regi) + 1
        self.kf = 0
        self.nr = len(self.regimes_set)
        self.name_x_r = name_x + name_yend
        self.name_regimes = name_regimes
        self.vm = np.zeros((self.nr * self.kr, self.nr * self.kr), float)
        self.betas = np.zeros((self.nr * self.kr, 1), float)
        self.u = np.zeros((self.n, 1), float)
        self.predy = np.zeros((self.n, 1), float)
        self.predy_e = np.zeros((self.n, 1), float)
        self.e_pred = np.zeros((self.n, 1), float)
        """
        if not is_win:
            pool.close()
            pool.join()
        """
        if cores:
            pool.close()
            pool.join()
        results = {}
        self.name_y, self.name_x, self.name_yend, self.name_q, self.name_z, self.name_h = [
        ], [], [], [], [], []
        counter = 0
        for r in self.regimes_set:
            """
            if is_win:
                results[r] = results_p[r]
            else:
                results[r] = results_p[r].get()
            """
            if not cores:
                results[r] = results_p[r]
            else:
                results[r] = results_p[r].get()
            results[r].predy_e, results[r].e_pred, warn = sp_att(
                w_i[r], results[r].y, results[r].predy,
                results[r].yend[:, -1].reshape(results[r].n,
                                               1), results[r].rho)
            set_warn(results[r], warn)
            results[r].w = w_i[r]
            self.vm[(counter * self.kr):((counter + 1) * self.kr),
                    (counter * self.kr):((counter + 1) *
                                         self.kr)] = results[r].vm
            self.betas[(counter * self.kr):((counter + 1) *
                                            self.kr), ] = results[r].betas
            self.u[regi_ids[r], ] = results[r].u
            self.predy[regi_ids[r], ] = results[r].predy
            self.predy_e[regi_ids[r], ] = results[r].predy_e
            self.e_pred[regi_ids[r], ] = results[r].e_pred
            self.name_y += results[r].name_y
            self.name_x += results[r].name_x
            self.name_yend += results[r].name_yend
            self.name_q += results[r].name_q
            self.name_z += results[r].name_z
            self.name_h += results[r].name_h
            if r == self.regimes_set[0]:
                self.hac_var = np.zeros((self.n, results[r].h.shape[1]), float)
            self.hac_var[regi_ids[r], ] = results[r].h
            counter += 1
        self.multi = results
        if robust == 'hac':
            hac_multi(self, gwk, constant=True)
        if robust == 'ogmm':
            set_warn(
                self,
                "Residuals treated as homoskedastic for the purpose of diagnostics."
            )
        self.chow = REGI.Chow(self)
        if spat_diag:
            pass
            #self._get_spat_diag_props(y, x, w, yend, q, w_lags, lag_q)
        SUMMARY.GM_Lag_multi(reg=self,
                             multireg=self.multi,
                             vm=vm,
                             spat_diag=spat_diag,
                             regimes=True,
                             w=w)
Exemplo n.º 8
0
    def __init__(self, y, x, yend, q, regimes,\
             w=None, robust=None, gwk=None, sig2n_k=True,\
             spat_diag=False, vm=False, constant_regi='many',\
             cols2regi='all', regime_err_sep=True, name_y=None, name_x=None,\
             cores=None, name_yend=None, name_q=None, name_regimes=None,\
             name_w=None, name_gwk=None, name_ds=None, summ=True):
       
        n = USER.check_arrays(y, x)
        USER.check_y(y, n)
        USER.check_weights(w, y)
        USER.check_robust(robust, gwk)
        USER.check_spat_diag(spat_diag, w)
        self.constant_regi = constant_regi
        self.cols2regi = cols2regi
        self.name_ds = USER.set_name_ds(name_ds)
        self.name_regimes = USER.set_name_ds(name_regimes)
        self.name_w = USER.set_name_w(name_w, w)
        self.name_gwk = USER.set_name_w(name_gwk, gwk)
        self.name_y = USER.set_name_y(name_y)
        name_yend = USER.set_name_yend(name_yend, yend)
        name_q = USER.set_name_q(name_q, q)
        self.name_x_r = USER.set_name_x(name_x, x) + name_yend            
        self.n = n
        cols2regi = REGI.check_cols2regi(constant_regi, cols2regi, x, yend=yend, add_cons=False)
        self.regimes_set = REGI._get_regimes_set(regimes)
        self.regimes = regimes
        USER.check_regimes(self.regimes_set)
        self.regime_err_sep = regime_err_sep

        if regime_err_sep == True and set(cols2regi) == set([True]) and constant_regi == 'many':
            name_x = USER.set_name_x(name_x, x)
            self.y = y
            if w:
                w_i,regi_ids,warn = REGI.w_regimes(w, regimes, self.regimes_set, transform=True, get_ids=True, min_n=len(self.cols2regi)+1)
                set_warn(self,warn)
            else:
                regi_ids = dict((r, list(np.where(np.array(regimes) == r)[0])) for r in self.regimes_set)
                w_i = None
            self._tsls_regimes_multi(x, yend, q, w_i, regi_ids, cores,\
                 gwk, sig2n_k, robust, spat_diag, vm, name_x, name_yend, name_q)
        else:
            name_x = USER.set_name_x(name_x, x,constant=True)
            q, self.name_q = REGI.Regimes_Frame.__init__(self, q, \
                    regimes, constant_regi=None, cols2regi='all', names=name_q)
            x, self.name_x = REGI.Regimes_Frame.__init__(self, x, \
                    regimes, constant_regi, cols2regi=cols2regi, names=name_x)
            yend, self.name_yend = REGI.Regimes_Frame.__init__(self, yend, \
                    regimes, constant_regi=None, \
                    cols2regi=cols2regi, yend=True, names=name_yend)
            BaseTSLS.__init__(self, y=y, x=x, yend=yend, q=q, \
                    robust=robust, gwk=gwk, sig2n_k=sig2n_k)
            if regime_err_sep == True and robust == None:
                """
                # Weighted x, y, yend and q approach:
                y2,x2,yend2,q2 = REGI._get_weighted_var(regimes,self.regimes_set,sig2n_k,self.u,y,x,yend,q)
                tsls2 = BaseTSLS(y=y2, x=x2, yend=yend2, q=q2, sig2n_k=sig2n_k)
                # Updating S_hat to S_tilde approach:               
                betas2, predy2, resid2, vm2 = self._optimal_weight(sig2n_k)
                RegressionProps_basic(self,betas=betas2,predy=predy2,u=resid2,vm=vm2,sig2=False)
                """
                betas2, vm2 = self._optimal_weight(sig2n_k)
                RegressionProps_basic(self,betas=betas2,vm=vm2,sig2=False)
                self.title = "TWO STAGE LEAST SQUARES - REGIMES (Optimal-Weighted GMM)"
                robust = None
                set_warn(self,"Residuals treated as homoskedastic for the purpose of diagnostics.")
            else:
                self.title = "TWO STAGE LEAST SQUARES - REGIMES"
            self.name_z = self.name_x + self.name_yend
            self.name_h = USER.set_name_h(self.name_x, self.name_q)
            self.chow = REGI.Chow(self)
            self.robust = USER.set_robust(robust)
            if summ:
                SUMMARY.TSLS(reg=self, vm=vm, w=w, spat_diag=spat_diag, regimes=True)
Exemplo n.º 9
0
    def ML_Lag_Regimes_Multi(self, y, x, w_i, w, regi_ids,
                             cores, cols2regi, method, epsilon,
                             spat_diag, vm, name_y, name_x,
                             name_regimes, name_w, name_ds):
        #        pool = mp.Pool(cores)
        name_x = USER.set_name_x(name_x, x) + [USER.set_name_yend_sp(name_y)]
        results_p = {}
        """
        for r in self.regimes_set:
            if system() == 'Windows':
                is_win = True
                results_p[r] = _work(*(y,x,regi_ids,r,w_i[r],method,epsilon,name_ds,name_y,name_x,name_w,name_regimes))
            else:                
                results_p[r] = pool.apply_async(_work,args=(y,x,regi_ids,r,w_i[r],method,epsilon,name_ds,name_y,name_x,name_w,name_regimes, ))
                is_win = False
        """
        for r in self.regimes_set:
            if cores:
                pool = mp.Pool(None)
                results_p[r] = pool.apply_async(_work, args=(y, x, regi_ids, r, w_i[
                                                r], method, epsilon, name_ds, name_y, name_x, name_w, name_regimes, ))
            else:
                results_p[r] = _work(
                    *(y, x, regi_ids, r, w_i[r], method, epsilon, name_ds, name_y, name_x, name_w, name_regimes))

        self.kryd = 0
        self.kr = len(cols2regi) + 1
        self.kf = 0
        self.nr = len(self.regimes_set)
        self.name_x_r = name_x
        self.name_regimes = name_regimes
        self.vm = np.zeros((self.nr * self.kr, self.nr * self.kr), float)
        self.betas = np.zeros((self.nr * self.kr, 1), float)
        self.u = np.zeros((self.n, 1), float)
        self.predy = np.zeros((self.n, 1), float)
        self.predy_e = np.zeros((self.n, 1), float)
        self.e_pred = np.zeros((self.n, 1), float)
        """
        if not is_win:
            pool.close()
            pool.join()
        """
        if cores:
            pool.close()
            pool.join()

        results = {}
        self.name_y, self.name_x = [], []
        counter = 0
        for r in self.regimes_set:
            """
            if is_win:
                results[r] = results_p[r]
            else:
                results[r] = results_p[r].get()
            """
            if not cores:
                results[r] = results_p[r]
            else:
                results[r] = results_p[r].get()
            self.vm[(counter * self.kr):((counter + 1) * self.kr),
                    (counter * self.kr):((counter + 1) * self.kr)] = results[r].vm
            self.betas[
                (counter * self.kr):((counter + 1) * self.kr), ] = results[r].betas
            self.u[regi_ids[r], ] = results[r].u
            self.predy[regi_ids[r], ] = results[r].predy
            self.predy_e[regi_ids[r], ] = results[r].predy_e
            self.e_pred[regi_ids[r], ] = results[r].e_pred
            self.name_y += results[r].name_y
            self.name_x += results[r].name_x
            counter += 1
        self.multi = results
        self.chow = REGI.Chow(self)
        SUMMARY.ML_Lag_multi(
            reg=self, multireg=self.multi, vm=vm, spat_diag=spat_diag, regimes=True, w=w)
Exemplo n.º 10
0
    def __init__(self, y, x, regimes, w=None, constant_regi='many',
                 cols2regi='all', method='full', epsilon=0.0000001,
                 regime_lag_sep=False, regime_err_sep=False, cores=False, spat_diag=False,
                 vm=False, name_y=None, name_x=None,
                 name_w=None, name_ds=None, name_regimes=None):

        n = USER.check_arrays(y, x)
        USER.check_y(y, n)
        USER.check_weights(w, y, w_required=True)
        USER.check_spat_diag(spat_diag, w)
        name_y = USER.set_name_y(name_y)
        self.name_y = name_y
        self.name_x_r = USER.set_name_x(
            name_x, x) + [USER.set_name_yend_sp(name_y)]
        self.method = method
        self.epsilon = epsilon
        self.name_regimes = USER.set_name_ds(name_regimes)
        self.constant_regi = constant_regi
        self.n = n
        cols2regi = REGI.check_cols2regi(
            constant_regi, cols2regi, x, add_cons=False)
        self.cols2regi = cols2regi
        self.regimes_set = REGI._get_regimes_set(regimes)
        self.regimes = regimes
        self.regime_lag_sep = regime_lag_sep
        self._cache = {}
        self.name_ds = USER.set_name_ds(name_ds)
        self.name_w = USER.set_name_w(name_w, w)
        USER.check_regimes(self.regimes_set, self.n, x.shape[1])

        # regime_err_sep is ignored, always False

        if regime_lag_sep == True:
            if not (set(cols2regi) == set([True]) and constant_regi == 'many'):
                raise Exception, "All variables must vary by regimes if regime_lag_sep = True."
            cols2regi += [True]
            w_i, regi_ids, warn = REGI.w_regimes(
                w, regimes, self.regimes_set, transform=True, get_ids=True, min_n=len(cols2regi) + 1)
            set_warn(self, warn)
        else:
            cols2regi += [False]

        if set(cols2regi) == set([True]) and constant_regi == 'many':
            self.y = y
            self.ML_Lag_Regimes_Multi(y, x, w_i, w, regi_ids,
                                      cores=cores, cols2regi=cols2regi, method=method, epsilon=epsilon,
                                      spat_diag=spat_diag, vm=vm, name_y=name_y, name_x=name_x,
                                      name_regimes=self.name_regimes,
                                      name_w=name_w, name_ds=name_ds)
        else:
            # if regime_lag_sep == True:
            #    w = REGI.w_regimes_union(w, w_i, self.regimes_set)
            name_x = USER.set_name_x(name_x, x, constant=True)
            x, self.name_x = REGI.Regimes_Frame.__init__(self, x,
                                                         regimes, constant_regi, cols2regi=cols2regi[:-1], names=name_x)
            self.name_x.append("_Global_" + USER.set_name_yend_sp(name_y))
            BaseML_Lag.__init__(
                self, y=y, x=x, w=w, method=method, epsilon=epsilon)
            self.kf += 1  # Adding a fixed k to account for spatial lag in Chow
            # adding a fixed k to account for spatial lag in aic, sc
            self.k += 1
            self.chow = REGI.Chow(self)
            self.aic = DIAG.akaike(reg=self)
            self.schwarz = DIAG.schwarz(reg=self)
            self.regime_lag_sep = regime_lag_sep
            self.title = "MAXIMUM LIKELIHOOD SPATIAL LAG - REGIMES" + \
                " (METHOD = " + method + ")"
            SUMMARY.ML_Lag(
                reg=self, w=w, vm=vm, spat_diag=spat_diag, regimes=True)
Exemplo n.º 11
0
    def _error_regimes_multi(self, y, x, regimes, w, cores,
                             method, epsilon, cols2regi, vm, name_x, spat_diag):

        regi_ids = dict(
            (r, list(np.where(np.array(regimes) == r)[0])) for r in self.regimes_set)
        results_p = {}
        """
        for r in self.regimes_set:
            if system() == 'Windows':
                is_win = True
                results_p[r] = _work_error(*(y,x,regi_ids,r,w,method,epsilon,self.name_ds,self.name_y,name_x+['lambda'],self.name_w,self.name_regimes))
            else:
                pool = mp.Pool(cores)
                results_p[r] = pool.apply_async(_work_error,args=(y,x,regi_ids,r,w,method,epsilon,self.name_ds,self.name_y,name_x+['lambda'],self.name_w,self.name_regimes, ))
                is_win = False
        """
        for r in self.regimes_set:
            if cores:
                pool = mp.Pool(None)
                results_p[r] = pool.apply_async(_work_error, args=(
                    y, x, regi_ids, r, w, method, epsilon, self.name_ds, self.name_y, name_x + ['lambda'], self.name_w, self.name_regimes, ))
            else:
                results_p[r] = _work_error(
                    *(y, x, regi_ids, r, w, method, epsilon, self.name_ds, self.name_y, name_x + ['lambda'], self.name_w, self.name_regimes))

        self.kryd = 0
        self.kr = len(cols2regi) + 1
        self.kf = 0
        self.nr = len(self.regimes_set)
        self.vm = np.zeros((self.nr * self.kr, self.nr * self.kr), float)
        self.betas = np.zeros((self.nr * self.kr, 1), float)
        self.u = np.zeros((self.n, 1), float)
        self.predy = np.zeros((self.n, 1), float)
        self.e_filtered = np.zeros((self.n, 1), float)
        self.name_y, self.name_x = [], []
        """
        if not is_win:
            pool.close()
            pool.join()
        """
        if cores:
            pool.close()
            pool.join()

        results = {}
        counter = 0
        for r in self.regimes_set:
            """
            if is_win:
                results[r] = results_p[r]
            else:
                results[r] = results_p[r].get()
            """
            if not cores:
                results[r] = results_p[r]
            else:
                results[r] = results_p[r].get()

            self.vm[(counter * self.kr):((counter + 1) * self.kr),
                    (counter * self.kr):((counter + 1) * self.kr)] = results[r].vm
            self.betas[
                (counter * self.kr):((counter + 1) * self.kr), ] = results[r].betas
            self.u[regi_ids[r], ] = results[r].u
            self.predy[regi_ids[r], ] = results[r].predy
            self.e_filtered[regi_ids[r], ] = results[r].e_filtered
            self.name_y += results[r].name_y
            self.name_x += results[r].name_x
            counter += 1
        self.chow = REGI.Chow(self)
        self.multi = results
        SUMMARY.ML_Error_multi(
            reg=self, multireg=self.multi, vm=vm, spat_diag=spat_diag, regimes=True, w=w)
Exemplo n.º 12
0
    def _ols_regimes_multi(self, x, w, regi_ids, cores,
                           gwk, sig2n_k, robust, nonspat_diag, spat_diag, vm, name_x, moran, white_test):
        results_p = {}
        """
        for r in self.regimes_set:
            if system() == 'Windows':
                is_win = True
                results_p[r] = _work(*(self.y,x,w,regi_ids,r,robust,sig2n_k,self.name_ds,self.name_y,name_x,self.name_w,self.name_regimes))
            else:
                pool = mp.Pool(cores)
                results_p[r] = pool.apply_async(_work,args=(self.y,x,w,regi_ids,r,robust,sig2n_k,self.name_ds,self.name_y,name_x,self.name_w,self.name_regimes))
                is_win = False
        """
        for r in self.regimes_set:
            if cores:
                pool = mp.Pool(None)
                results_p[r] = pool.apply_async(_work, args=(
                    self.y, x, w, regi_ids, r, robust, sig2n_k, self.name_ds, self.name_y, name_x, self.name_w, self.name_regimes))
            else:
                results_p[r] = _work(*(self.y, x, w, regi_ids, r, robust, sig2n_k,
                                       self.name_ds, self.name_y, name_x, self.name_w, self.name_regimes))

        self.kryd = 0
        self.kr = x.shape[1] + 1
        self.kf = 0
        self.nr = len(self.regimes_set)
        self.vm = np.zeros((self.nr * self.kr, self.nr * self.kr), float)
        self.betas = np.zeros((self.nr * self.kr, 1), float)
        self.u = np.zeros((self.n, 1), float)
        self.predy = np.zeros((self.n, 1), float)
        """
        if not is_win:
            pool.close()
            pool.join()
        """
        if cores:
            pool.close()
            pool.join()

        results = {}
        self.name_y, self.name_x = [], []
        counter = 0
        for r in self.regimes_set:
            """
            if is_win:
                results[r] = results_p[r]
            else:
                results[r] = results_p[r].get()
            """
            if not cores:
                results[r] = results_p[r]
            else:
                results[r] = results_p[r].get()

            self.vm[(counter * self.kr):((counter + 1) * self.kr),
                    (counter * self.kr):((counter + 1) * self.kr)] = results[r].vm
            self.betas[
                (counter * self.kr):((counter + 1) * self.kr), ] = results[r].betas
            self.u[regi_ids[r], ] = results[r].u
            self.predy[regi_ids[r], ] = results[r].predy
            self.name_y += results[r].name_y
            self.name_x += results[r].name_x
            counter += 1
        self.multi = results
        self.hac_var = x
        if robust == 'hac':
            hac_multi(self, gwk)
        self.chow = REGI.Chow(self)
        if spat_diag:
            self._get_spat_diag_props(x, sig2n_k)
        SUMMARY.OLS_multi(reg=self, multireg=self.multi, vm=vm, nonspat_diag=nonspat_diag,
                          spat_diag=spat_diag, moran=moran, white_test=white_test, regimes=True, w=w)
Exemplo n.º 13
0
    def _tsls_regimes_multi(self, x, yend, q, w, regi_ids, cores, gwk, sig2n_k,
                            robust, spat_diag, vm, name_x, name_yend, name_q):
        results_p = {}
        """
        for r in self.regimes_set:
            if system() != 'Windows':
                is_win = True
                results_p[r] = _work(*(self.y,x,w,regi_ids,r,yend,q,robust,sig2n_k,self.name_ds,self.name_y,name_x,name_yend,name_q,self.name_w,self.name_regimes))
            else:
                pool = mp.Pool(cores)
                results_p[r] = pool.apply_async(_work,args=(self.y,x,w,regi_ids,r,yend,q,robust,sig2n_k,self.name_ds,self.name_y,name_x,name_yend,name_q,self.name_w,self.name_regimes))
                is_win = False
        """
        for r in self.regimes_set:
            if cores:
                pool = mp.Pool(None)
                results_p[r] = pool.apply_async(
                    _work,
                    args=(self.y, x, w, regi_ids, r, yend, q, robust, sig2n_k,
                          self.name_ds, self.name_y, name_x, name_yend, name_q,
                          self.name_w, self.name_regimes))
            else:
                results_p[r] = _work(*(self.y, x, w, regi_ids, r, yend, q,
                                       robust, sig2n_k, self.name_ds,
                                       self.name_y, name_x, name_yend, name_q,
                                       self.name_w, self.name_regimes))

        self.kryd = 0
        self.kr = x.shape[1] + yend.shape[1] + 1
        self.kf = 0
        self.nr = len(self.regimes_set)
        self.vm = np.zeros((self.nr * self.kr, self.nr * self.kr), float)
        self.betas = np.zeros((self.nr * self.kr, 1), float)
        self.u = np.zeros((self.n, 1), float)
        self.predy = np.zeros((self.n, 1), float)
        """
        if not is_win:
            pool.close()
            pool.join()
        """
        if cores:
            pool.close()
            pool.join()

        results = {}
        self.name_y, self.name_x, self.name_yend, self.name_q, self.name_z, self.name_h = [
        ], [], [], [], [], []
        counter = 0
        for r in self.regimes_set:
            """
            if is_win:
                results[r] = results_p[r]
            else:
                results[r] = results_p[r].get()
            """
            if not cores:
                results[r] = results_p[r]
            else:
                results[r] = results_p[r].get()

            self.vm[(counter * self.kr):((counter + 1) * self.kr),
                    (counter * self.kr):((counter + 1) *
                                         self.kr)] = results[r].vm
            self.betas[(counter * self.kr):((counter + 1) *
                                            self.kr), ] = results[r].betas
            self.u[regi_ids[r], ] = results[r].u
            self.predy[regi_ids[r], ] = results[r].predy
            self.name_y += results[r].name_y
            self.name_x += results[r].name_x
            self.name_yend += results[r].name_yend
            self.name_q += results[r].name_q
            self.name_z += results[r].name_z
            self.name_h += results[r].name_h
            counter += 1
        self.multi = results
        self.hac_var = sphstack(x, q)
        if robust == 'hac':
            hac_multi(self, gwk)
        if robust == 'ogmm':
            set_warn(
                self,
                "Residuals treated as homoskedastic for the purpose of diagnostics."
            )
        self.chow = REGI.Chow(self)
        if spat_diag:
            self._get_spat_diag_props(results, regi_ids, x, yend, q)
        SUMMARY.TSLS_multi(reg=self,
                           multireg=self.multi,
                           vm=vm,
                           spat_diag=spat_diag,
                           regimes=True,
                           w=w)
Exemplo n.º 14
0
    def __init__(self,
                 y,
                 x,
                 yend,
                 q,
                 regimes,
                 w=None,
                 robust=None,
                 gwk=None,
                 sig2n_k=True,
                 spat_diag=False,
                 vm=False,
                 constant_regi='many',
                 cols2regi='all',
                 regime_err_sep=True,
                 name_y=None,
                 name_x=None,
                 cores=False,
                 name_yend=None,
                 name_q=None,
                 name_regimes=None,
                 name_w=None,
                 name_gwk=None,
                 name_ds=None,
                 summ=True):

        n = USER.check_arrays(y, x)
        USER.check_y(y, n)
        USER.check_weights(w, y)
        USER.check_robust(robust, gwk)
        USER.check_spat_diag(spat_diag, w)
        self.constant_regi = constant_regi
        self.cols2regi = cols2regi
        self.name_ds = USER.set_name_ds(name_ds)
        self.name_regimes = USER.set_name_ds(name_regimes)
        self.name_w = USER.set_name_w(name_w, w)
        self.name_gwk = USER.set_name_w(name_gwk, gwk)
        self.name_y = USER.set_name_y(name_y)
        name_yend = USER.set_name_yend(name_yend, yend)
        name_q = USER.set_name_q(name_q, q)
        self.name_x_r = USER.set_name_x(name_x, x) + name_yend
        self.n = n
        cols2regi = REGI.check_cols2regi(constant_regi,
                                         cols2regi,
                                         x,
                                         yend=yend,
                                         add_cons=False)
        self.regimes_set = REGI._get_regimes_set(regimes)
        self.regimes = regimes
        USER.check_regimes(self.regimes_set, self.n, x.shape[1])
        if regime_err_sep == True and robust == 'hac':
            set_warn(
                self,
                "Error by regimes is incompatible with HAC estimation for 2SLS models. Hence, the error by regimes has been disabled for this model."
            )
            regime_err_sep = False
        self.regime_err_sep = regime_err_sep
        if regime_err_sep == True and set(cols2regi) == set(
            [True]) and constant_regi == 'many':
            name_x = USER.set_name_x(name_x, x)
            self.y = y
            regi_ids = dict((r, list(np.where(np.array(regimes) == r)[0]))
                            for r in self.regimes_set)
            self._tsls_regimes_multi(x, yend, q, w, regi_ids, cores, gwk,
                                     sig2n_k, robust, spat_diag, vm, name_x,
                                     name_yend, name_q)
        else:
            name_x = USER.set_name_x(name_x, x, constant=True)
            q, self.name_q = REGI.Regimes_Frame.__init__(self,
                                                         q,
                                                         regimes,
                                                         constant_regi=None,
                                                         cols2regi='all',
                                                         names=name_q)
            x, self.name_x = REGI.Regimes_Frame.__init__(self,
                                                         x,
                                                         regimes,
                                                         constant_regi,
                                                         cols2regi=cols2regi,
                                                         names=name_x)
            yend, self.name_yend = REGI.Regimes_Frame.__init__(
                self,
                yend,
                regimes,
                constant_regi=None,
                cols2regi=cols2regi,
                yend=True,
                names=name_yend)
            if regime_err_sep == True and robust == None:
                robust = 'white'
            BaseTSLS.__init__(self,
                              y=y,
                              x=x,
                              yend=yend,
                              q=q,
                              robust=robust,
                              gwk=gwk,
                              sig2n_k=sig2n_k)
            self.title = "TWO STAGE LEAST SQUARES - REGIMES"
            if robust == 'ogmm':
                _optimal_weight(self, sig2n_k)
            self.name_z = self.name_x + self.name_yend
            self.name_h = USER.set_name_h(self.name_x, self.name_q)
            self.chow = REGI.Chow(self)
            self.robust = USER.set_robust(robust)
            if summ:
                SUMMARY.TSLS(reg=self,
                             vm=vm,
                             w=w,
                             spat_diag=spat_diag,
                             regimes=True)