def do_kernel_ridge(stats, library, param_bound):
    "This function transforms the accepted parameter values using local linear regression"
    X = sm.add_constant(stats)
    Y=library
    clf     = KernelRidge(alpha=1.0, kernel='rbf', coef0=1)
    resul   = clf.fit(X, Y)
    resul_coef=np.dot(X.transpose(), resul.dual_coef_)
    coefficients =resul_coef[1:]
    para_reg   =Y- stats.dot(coefficients)
    para_reg=do_ivlogit_transformation(para_reg, param_bound)
    parameter_estimate = np.average(para_reg, axis=0)
    HPDR=pymc3.stats.hpd(para_reg)
    return parameter_estimate, HPDR
Пример #2
0
def do_kernel_ridge(stats, library, param_bound):
    #print('X:', X.shape)
    #print('Y:', Y.shape)
    #'rbf'
    X = sm.add_constant(stats)
    Y=library
    clf     = KernelRidge(alpha=1.0, kernel='rbf', coef0=1)
    resul   = clf.fit(X, Y)
    resul_coef=np.dot(X.transpose(), resul.dual_coef_)
    coefficients =resul_coef[1:]
    #mean_conf=confidence_interval_Kridge(logit(library), weights, stats,resul_coef)
    para_reg   =Y- stats.dot(coefficients)
    para_reg=do_ivlogit_transformation(para_reg, param_bound)
    #param_SS[:,ii]   =Y[:,ii]- inv_logit(res_wls_SS.params[1:])+inv_logit(res_wls_OS.params[1:])
    parameter_estimate = np.average(para_reg, axis=0)
    HPDR=pymc3.stats.hpd(para_reg)
    return parameter_estimate, HPDR