def summary(self) -> Summary: """ Summary of both the STL decomposition and the model fit. Returns ------- Summary The summary of the model fit and the STL decomposition. Notes ----- Requires that the model's result class supports ``summary`` and returns a ``Summary`` object. """ if not hasattr(self._model_result, "summary"): raise AttributeError( "The model result does not have a summary attribute." ) summary: Summary = self._model_result.summary() if not isinstance(summary, Summary): raise TypeError( "The model result's summary is not a Summary object." ) summary.tables[0].title = ( "STL Decomposition and " + summary.tables[0].title ) config = self._stl.config left_keys = ("period", "seasonal", "robust") left_data = [] left_stubs = [] right_data = [] right_stubs = [] for key in config: new = key.capitalize() new = new.replace("_", " ") if new in ("Trend", "Low Pass"): new += " Length" is_left = any(key.startswith(val) for val in left_keys) new += ":" stub = f"{new:<23s}" val = f"{str(config[key]):>13s}" if is_left: left_stubs.append(stub) left_data.append([val]) else: right_stubs.append(" " * 6 + stub) right_data.append([val]) tab = SimpleTable( left_data, stubs=tuple(left_stubs), title="STL Configuration" ) tab.extend_right(SimpleTable(right_data, stubs=right_stubs)) summary.tables.append(tab) return summary
def summary(self): """Model summary""" title = 'System ' + self._method + ' Estimation Summary' top_left = [('Estimator:', self._method), ('No. Equations.:', str(len(self.equation_labels))), ('No. Observations:', str(self.resids.shape[0])), ('Date:', self._datetime.strftime('%a, %b %d %Y')), ('Time:', self._datetime.strftime('%H:%M:%S')), ('', ''), ('', '')] top_right = [('Overall R-squared:', _str(self.rsquared)), ('Cov. Estimator:', self._cov_type), ('Num. Constraints: ', self._num_constraints), ('', ''), ('', ''), ('', ''), ('', '')] stubs = [] vals = [] for stub, val in top_left: stubs.append(stub) vals.append([val]) table = SimpleTable(vals, txt_fmt=fmt_2cols, title=title, stubs=stubs) # create summary table instance smry = Summary() # Top Table # Parameter table fmt = fmt_2cols fmt['data_fmts'][1] = '%10s' top_right = [('%-21s' % (' ' + k), v) for k, v in top_right] stubs = [] vals = [] for stub, val in top_right: stubs.append(stub) vals.append([val]) table.extend_right(SimpleTable(vals, stubs=stubs)) smry.tables.append(table) for eqlabel in self.equation_labels: results = self.equations[eqlabel] dep_name = results.dependent title = 'Equation: {0}, Dependent Variable: {1}'.format(eqlabel, dep_name) smry.tables.append(param_table(results, title, pad_bottom=True)) return smry
def summary(self): """Equation summary""" title = self._method + ' Estimation Summary' top_left = [('Eq. Label:', self.equation_label), ('Dep. Variable:', self.dependent), ('Estimator:', self._method), ('No. Observations:', self.nobs), ('Date:', self._datetime.strftime('%a, %b %d %Y')), ('Time:', self._datetime.strftime('%H:%M:%S')), ('', '')] top_right = [('R-squared:', _str(self.rsquared)), ('Adj. R-squared:', _str(self.rsquared_adj)), ('Cov. Estimator:', self._cov_type), ('F-statistic:', _str(self.f_statistic.stat)), ('P-value (F-stat)', pval_format(self.f_statistic.pval)), ('Distribution:', str(self.f_statistic.dist_name)), ('', '')] stubs = [] vals = [] for stub, val in top_left: stubs.append(stub) vals.append([val]) table = SimpleTable(vals, txt_fmt=fmt_2cols, title=title, stubs=stubs) # create summary table instance smry = Summary() # Top Table # Parameter table fmt = fmt_2cols fmt['data_fmts'][1] = '%10s' top_right = [('%-21s' % (' ' + k), v) for k, v in top_right] stubs = [] vals = [] for stub, val in top_right: stubs.append(stub) vals.append([val]) table.extend_right(SimpleTable(vals, stubs=stubs)) smry.tables.append(table) smry.tables.append(param_table(self, 'Parameter Estimates', pad_bottom=True)) return smry
def summary(self): """:obj:`statsmodels.iolib.summary.Summary` : Summary table of model estimation results Supports export to csv, html and latex using the methods ``summary.as_csv()``, ``summary.as_html()`` and ``summary.as_latex()``. """ title = self.name + ' Estimation Summary' mod = self.model top_left = [('Dep. Variable:', mod.dependent.vars[0]), ('Estimator:', self.name), ('No. Observations:', self.nobs), ('Date:', self._datetime.strftime('%a, %b %d %Y')), ('Time:', self._datetime.strftime('%H:%M:%S')), ('Cov. Estimator:', self._cov_type), ('', ''), ('Entities:', str(int(self.entity_info['total']))), ('Avg Obs:', _str(self.entity_info['mean'])), ('Min Obs:', _str(self.entity_info['min'])), ('Max Obs:', _str(self.entity_info['max'])), ('', ''), ('Time periods:', str(int(self.time_info['total']))), ('Avg Obs:', _str(self.time_info['mean'])), ('Min Obs:', _str(self.time_info['min'])), ('Max Obs:', _str(self.time_info['max'])), ('', '')] is_invalid = np.isfinite(self.f_statistic.stat) f_stat = _str(self.f_statistic.stat) if is_invalid else '--' f_pval = pval_format(self.f_statistic.pval) if is_invalid else '--' f_dist = self.f_statistic.dist_name if is_invalid else '--' f_robust = _str(self.f_statistic_robust.stat) if is_invalid else '--' f_robust_pval = pval_format(self.f_statistic_robust.pval) if is_invalid else '--' f_robust_name = self.f_statistic_robust.dist_name if is_invalid else '--' top_right = [('R-squared:', _str(self.rsquared)), ('R-squared (Between):', _str(self.rsquared_between)), ('R-squared (Within):', _str(self.rsquared_within)), ('R-squared (Overall):', _str(self.rsquared_overall)), ('Log-likelihood', _str(self._loglik)), ('', ''), ('F-statistic:', f_stat), ('P-value', f_pval), ('Distribution:', f_dist), ('', ''), ('F-statistic (robust):', f_robust), ('P-value', f_robust_pval), ('Distribution:', f_robust_name), ('', ''), ('', ''), ('', ''), ('', ''), ] stubs = [] vals = [] for stub, val in top_left: stubs.append(stub) vals.append([val]) table = SimpleTable(vals, txt_fmt=fmt_2cols, title=title, stubs=stubs) # create summary table instance smry = Summary() # Top Table # Parameter table fmt = fmt_2cols fmt['data_fmts'][1] = '%18s' top_right = [('%-21s' % (' ' + k), v) for k, v in top_right] stubs = [] vals = [] for stub, val in top_right: stubs.append(stub) vals.append([val]) table.extend_right(SimpleTable(vals, stubs=stubs)) smry.tables.append(table) param_data = np.c_[self.params.values[:, None], self.std_errors.values[:, None], self.tstats.values[:, None], self.pvalues.values[:, None], self.conf_int()] data = [] for row in param_data: txt_row = [] for i, v in enumerate(row): f = _str if i == 3: f = pval_format txt_row.append(f(v)) data.append(txt_row) title = 'Parameter Estimates' table_stubs = list(self.params.index) header = ['Parameter', 'Std. Err.', 'T-stat', 'P-value', 'Lower CI', 'Upper CI'] table = SimpleTable(data, stubs=table_stubs, txt_fmt=fmt_params, headers=header, title=title) smry.tables.append(table) return smry
def summary(self): """:obj:`statsmodels.iolib.summary.Summary` : Summary table of model estimation results Supports export to csv, html and latex using the methods ``summary.as_csv()``, ``summary.as_html()`` and ``summary.as_latex()``. """ title = self._method + ' Estimation Summary' top_left = [('Eq. Label:', self.equation_label), ('Dep. Variable:', self.dependent), ('Estimator:', self._method), ('No. Observations:', self.nobs), ('Date:', self._datetime.strftime('%a, %b %d %Y')), ('Time:', self._datetime.strftime('%H:%M:%S')), ('', '')] top_right = [('R-squared:', _str(self.rsquared)), ('Adj. R-squared:', _str(self.rsquared_adj)), ('Cov. Estimator:', self._cov_type), ('F-statistic:', _str(self.f_statistic.stat)), ('P-value (F-stat)', pval_format(self.f_statistic.pval)), ('Distribution:', str(self.f_statistic.dist_name)), ('', '')] stubs = [] vals = [] for stub, val in top_left: stubs.append(stub) vals.append([val]) table = SimpleTable(vals, txt_fmt=fmt_2cols, title=title, stubs=stubs) # create summary table instance smry = Summary() # Top Table # Parameter table fmt = fmt_2cols fmt['data_fmts'][1] = '%10s' top_right = [('%-21s' % (' ' + k), v) for k, v in top_right] stubs = [] vals = [] for stub, val in top_right: stubs.append(stub) vals.append([val]) table.extend_right(SimpleTable(vals, stubs=stubs)) smry.tables.append(table) smry.tables.append( param_table(self, 'Parameter Estimates', pad_bottom=True)) extra_text = [] instruments = self._instruments if instruments: endog = self._endog extra_text = [] extra_text.append('Endogenous: ' + ', '.join(endog)) extra_text.append('Instruments: ' + ', '.join(instruments)) extra_text.append('Covariance Estimator:') for line in str(self._cov_estimator).split('\n'): extra_text.append(line) if self._weight_estimator: extra_text.append('Weight Estimator:') for line in str(self._weight_estimator).split('\n'): extra_text.append(line) smry.add_extra_txt(extra_text) return smry
def summary(self): """:obj:`statsmodels.iolib.summary.Summary` : Summary table of model estimation results Supports export to csv, html and latex using the methods ``summary.as_csv()``, ``summary.as_html()`` and ``summary.as_latex()``. """ title = 'System ' + self._method + ' Estimation Summary' top_left = [('Estimator:', self._method), ('No. Equations.:', str(len(self.equation_labels))), ('No. Observations:', str(self.resids.shape[0])), ('Date:', self._datetime.strftime('%a, %b %d %Y')), ('Time:', self._datetime.strftime('%H:%M:%S')), ('', ''), ('', '')] top_right = [('Overall R-squared:', _str(self.rsquared)), ('Cov. Estimator:', self._cov_type), ('Num. Constraints: ', self._num_constraints), ('', ''), ('', ''), ('', ''), ('', '')] stubs = [] vals = [] for stub, val in top_left: stubs.append(stub) vals.append([val]) table = SimpleTable(vals, txt_fmt=fmt_2cols, title=title, stubs=stubs) # create summary table instance smry = Summary() # Top Table # Parameter table fmt = fmt_2cols fmt['data_fmts'][1] = '%10s' top_right = [('%-21s' % (' ' + k), v) for k, v in top_right] stubs = [] vals = [] for stub, val in top_right: stubs.append(stub) vals.append([val]) table.extend_right(SimpleTable(vals, stubs=stubs)) smry.tables.append(table) for i, eqlabel in enumerate(self.equation_labels): last_row = i == (len(self.equation_labels) - 1) results = self.equations[eqlabel] dep_name = results.dependent title = 'Equation: {0}, Dependent Variable: {1}'.format( eqlabel, dep_name) pad_bottom = results.instruments is not None and not last_row smry.tables.append( param_table(results, title, pad_bottom=pad_bottom)) if results.instruments: formatted = format_wide(results.instruments, 80) if not last_row: formatted.append([' ']) smry.tables.append( SimpleTable(formatted, headers=['Instruments'])) extra_text = ['Covariance Estimator:'] for line in str(self._cov_estimator).split('\n'): extra_text.append(line) if self._weight_estimtor: extra_text.append('Weight Estimator:') for line in str(self._weight_estimtor).split('\n'): extra_text.append(line) smry.add_extra_txt(extra_text) return smry
def summary(self) -> Summary: """ Model estimation summary. Returns ------- Summary Summary table of model estimation results Supports export to csv, html and latex using the methods ``summary.as_csv()``, ``summary.as_html()`` and ``summary.as_latex()``. """ title = self.name + " Estimation Summary" mod = self.model top_left = [ ("Dep. Variable:", mod.dependent.vars[0]), ("Estimator:", self.name), ("No. Observations:", self.nobs), ("Date:", self._datetime.strftime("%a, %b %d %Y")), ("Time:", self._datetime.strftime("%H:%M:%S")), ("Cov. Estimator:", self._cov_type), ("", ""), ("Entities:", str(int(self.entity_info["total"]))), ("Avg Obs:", _str(self.entity_info["mean"])), ("Min Obs:", _str(self.entity_info["min"])), ("Max Obs:", _str(self.entity_info["max"])), ("", ""), ("Time periods:", str(int(self.time_info["total"]))), ("Avg Obs:", _str(self.time_info["mean"])), ("Min Obs:", _str(self.time_info["min"])), ("Max Obs:", _str(self.time_info["max"])), ("", ""), ] is_invalid = np.isfinite(self.f_statistic.stat) f_stat = _str(self.f_statistic.stat) if is_invalid else "--" f_pval = pval_format(self.f_statistic.pval) if is_invalid else "--" f_dist = self.f_statistic.dist_name if is_invalid else "--" f_robust = _str(self.f_statistic_robust.stat) if is_invalid else "--" f_robust_pval = (pval_format(self.f_statistic_robust.pval) if is_invalid else "--") f_robust_name = self.f_statistic_robust.dist_name if is_invalid else "--" top_right = [ ("R-squared:", _str(self.rsquared)), ("R-squared (Between):", _str(self.rsquared_between)), ("R-squared (Within):", _str(self.rsquared_within)), ("R-squared (Overall):", _str(self.rsquared_overall)), ("Log-likelihood", _str(self._loglik)), ("", ""), ("F-statistic:", f_stat), ("P-value", f_pval), ("Distribution:", f_dist), ("", ""), ("F-statistic (robust):", f_robust), ("P-value", f_robust_pval), ("Distribution:", f_robust_name), ("", ""), ("", ""), ("", ""), ("", ""), ] stubs = [] vals = [] for stub, val in top_left: stubs.append(stub) vals.append([val]) table = SimpleTable(vals, txt_fmt=fmt_2cols, title=title, stubs=stubs) # create summary table instance smry = Summary() # Top Table # Parameter table fmt = fmt_2cols fmt["data_fmts"][1] = "%18s" top_right = [("%-21s" % (" " + k), v) for k, v in top_right] stubs = [] vals = [] for stub, val in top_right: stubs.append(stub) vals.append([val]) table.extend_right(SimpleTable(vals, stubs=stubs)) smry.tables.append(table) param_data = np.c_[self.params.values[:, None], self.std_errors.values[:, None], self.tstats.values[:, None], self.pvalues.values[:, None], self.conf_int(), ] data = [] for row in param_data: txt_row = [] for i, v in enumerate(row): f = _str if i == 3: f = pval_format txt_row.append(f(v)) data.append(txt_row) title = "Parameter Estimates" table_stubs = list(self.params.index) header = [ "Parameter", "Std. Err.", "T-stat", "P-value", "Lower CI", "Upper CI" ] table = SimpleTable(data, stubs=table_stubs, txt_fmt=fmt_params, headers=header, title=title) smry.tables.append(table) return smry
def summary(self): """:obj:`statsmodels.iolib.summary.Summary` : Summary table of model estimation results Supports export to csv, html and latex using the methods ``summary.as_csv()``, ``summary.as_html()`` and ``summary.as_latex()``. """ title = self.name + ' Estimation Summary' top_left = [('No. Test Portfolios:', len(self._portfolio_names)), ('No. Factors:', len(self._factor_names)), ('No. Observations:', self.nobs), ('Date:', self._datetime.strftime('%a, %b %d %Y')), ('Time:', self._datetime.strftime('%H:%M:%S')), ('Cov. Estimator:', self._cov_type), ('', '')] j_stat = _str(self.j_statistic.stat) j_pval = pval_format(self.j_statistic.pval) j_dist = self.j_statistic.dist_name top_right = [('R-squared:', _str(self.rsquared)), ('J-statistic:', j_stat), ('P-value', j_pval), ('Distribution:', j_dist), ('', ''), ('', ''), ('', '')] stubs = [] vals = [] for stub, val in top_left: stubs.append(stub) vals.append([val]) table = SimpleTable(vals, txt_fmt=fmt_2cols, title=title, stubs=stubs) # create summary table instance smry = Summary() # Top Table # Parameter table fmt = fmt_2cols fmt['data_fmts'][1] = '%18s' top_right = [('%-21s' % (' ' + k), v) for k, v in top_right] stubs = [] vals = [] for stub, val in top_right: stubs.append(stub) vals.append([val]) table.extend_right(SimpleTable(vals, stubs=stubs)) smry.tables.append(table) rp = np.asarray(self.risk_premia)[:, None] se = np.asarray(self.risk_premia_se)[:, None] tstats = np.asarray(self.risk_premia / self.risk_premia_se) pvalues = 2 - 2 * stats.norm.cdf(np.abs(tstats)) ci = rp + se * stats.norm.ppf([[0.025, 0.975]]) param_data = np.c_[rp, se, tstats[:, None], pvalues[:, None], ci] data = [] for row in param_data: txt_row = [] for i, v in enumerate(row): f = _str if i == 3: f = pval_format txt_row.append(f(v)) data.append(txt_row) title = 'Risk Premia Estimates' table_stubs = list(self.risk_premia.index) header = [ 'Parameter', 'Std. Err.', 'T-stat', 'P-value', 'Lower CI', 'Upper CI' ] table = SimpleTable(data, stubs=table_stubs, txt_fmt=fmt_params, headers=header, title=title) smry.tables.append(table) smry.add_extra_txt([ 'Covariance estimator:', str(self._cov_est), 'See full_summary for complete results' ]) return smry
def summary(self) -> Summary: """ Model estimation summary. Returns ------- Summary Summary table of model estimation results Supports export to csv, html and latex using the methods ``summary.as_csv()``, ``summary.as_html()`` and ``summary.as_latex()``. """ title = self.name + " Estimation Summary" top_left = [ ("No. Test Portfolios:", len(self._portfolio_names)), ("No. Factors:", len(self._factor_names)), ("No. Observations:", self.nobs), ("Date:", self._datetime.strftime("%a, %b %d %Y")), ("Time:", self._datetime.strftime("%H:%M:%S")), ("Cov. Estimator:", self._cov_type), ("", ""), ] j_stat = _str(self.j_statistic.stat) j_pval = pval_format(self.j_statistic.pval) j_dist = self.j_statistic.dist_name top_right = [ ("R-squared:", _str(self.rsquared)), ("J-statistic:", j_stat), ("P-value", j_pval), ("Distribution:", j_dist), ("", ""), ("", ""), ("", ""), ] stubs = [] vals = [] for stub, val in top_left: stubs.append(stub) vals.append([val]) table = SimpleTable(vals, txt_fmt=fmt_2cols, title=title, stubs=stubs) # create summary table instance smry = Summary() # Top Table # Parameter table fmt = fmt_2cols fmt["data_fmts"][1] = "%18s" top_right = [("%-21s" % (" " + k), v) for k, v in top_right] stubs = [] vals = [] for stub, val in top_right: stubs.append(stub) vals.append([val]) table.extend_right(SimpleTable(vals, stubs=stubs)) smry.tables.append(table) rp = np.asarray(self.risk_premia)[:, None] se = np.asarray(self.risk_premia_se)[:, None] tstats = np.asarray(self.risk_premia / self.risk_premia_se) pvalues = 2 - 2 * stats.norm.cdf(np.abs(tstats)) ci = rp + se * stats.norm.ppf([[0.025, 0.975]]) param_data = np.c_[rp, se, tstats[:, None], pvalues[:, None], ci] data = [] for row in param_data: txt_row = [] for i, v in enumerate(row): f = _str if i == 3: f = pval_format txt_row.append(f(v)) data.append(txt_row) title = "Risk Premia Estimates" table_stubs = list(self.risk_premia.index) header = ["Parameter", "Std. Err.", "T-stat", "P-value", "Lower CI", "Upper CI"] table = SimpleTable( data, stubs=table_stubs, txt_fmt=fmt_params, headers=header, title=title ) smry.tables.append(table) smry.add_extra_txt( [ "Covariance estimator:", str(self._cov_est), "See full_summary for complete results", ] ) return smry
def summary(self) -> Summary: """ Model estimation summary. Returns ------- Summary Summary table of model estimation results Supports export to csv, html and latex using the methods ``summary.as_csv()``, ``summary.as_html()`` and ``summary.as_latex()``. """ title = self._method + " Estimation Summary" top_left = [ ("Eq. Label:", self.equation_label), ("Dep. Variable:", self.dependent), ("Estimator:", self._method), ("No. Observations:", self.nobs), ("Date:", self._datetime.strftime("%a, %b %d %Y")), ("Time:", self._datetime.strftime("%H:%M:%S")), ("", ""), ] top_right = [ ("R-squared:", _str(self.rsquared)), ("Adj. R-squared:", _str(self.rsquared_adj)), ("Cov. Estimator:", self._cov_type), ("F-statistic:", _str(self.f_statistic.stat)), ("P-value (F-stat)", pval_format(self.f_statistic.pval)), ("Distribution:", str(self.f_statistic.dist_name)), ("", ""), ] stubs = [] vals = [] for stub, val in top_left: stubs.append(stub) vals.append([val]) table = SimpleTable(vals, txt_fmt=fmt_2cols, title=title, stubs=stubs) # create summary table instance smry = Summary() # Top Table # Parameter table fmt = fmt_2cols fmt["data_fmts"][1] = "%10s" top_right = [("%-21s" % (" " + k), v) for k, v in top_right] stubs = [] vals = [] for stub, val in top_right: stubs.append(stub) vals.append([val]) table.extend_right(SimpleTable(vals, stubs=stubs)) smry.tables.append(table) smry.tables.append( param_table(self, "Parameter Estimates", pad_bottom=True)) extra_text = [] instruments = self._instruments if instruments: endog = self._endog extra_text = [ "Endogenous: " + ", ".join(endog), "Instruments: " + ", ".join(instruments), ] extra_text.append("Covariance Estimator:") for line in str(self._cov_estimator).split("\n"): extra_text.append(line) if self._weight_estimator: extra_text.append("Weight Estimator:") for line in str(self._weight_estimator).split("\n"): extra_text.append(line) smry.add_extra_txt(extra_text) return smry
def summary(self) -> Summary: """ Model estimation summary. Returns ------- Summary Summary table of model estimation results Supports export to csv, html and latex using the methods ``summary.as_csv()``, ``summary.as_html()`` and ``summary.as_latex()``. """ title = "System " + self._method + " Estimation Summary" top_left = [ ("Estimator:", self._method), ("No. Equations.:", str(len(self.equation_labels))), ("No. Observations:", str(self.resids.shape[0])), ("Date:", self._datetime.strftime("%a, %b %d %Y")), ("Time:", self._datetime.strftime("%H:%M:%S")), ("", ""), ("", ""), ] top_right = [ ("Overall R-squared:", _str(self.rsquared)), ("McElroy's R-squared:", _str(self.system_rsquared.mcelroy)), ("Judge's (OLS) R-squared:", _str(self.system_rsquared.judge)), ("Berndt's R-squared:", _str(self.system_rsquared.berndt)), ("Dhrymes's R-squared:", _str(self.system_rsquared.dhrymes)), ("Cov. Estimator:", self._cov_type), ("Num. Constraints: ", self._num_constraints), ] stubs = [] vals = [] for stub, val in top_left: stubs.append(stub) vals.append([val]) table = SimpleTable(vals, txt_fmt=fmt_2cols, title=title, stubs=stubs) # create summary table instance smry = Summary() # Top Table # Parameter table fmt = fmt_2cols fmt["data_fmts"][1] = "%10s" top_right = [("%-21s" % (" " + k), v) for k, v in top_right] stubs = [] vals = [] for stub, val in top_right: stubs.append(stub) vals.append([val]) table.extend_right(SimpleTable(vals, stubs=stubs)) smry.tables.append(table) for i, eqlabel in enumerate(self.equation_labels): last_row = i == (len(self.equation_labels) - 1) results = self.equations[eqlabel] dep_name = results.dependent title = "Equation: {0}, Dependent Variable: {1}".format( eqlabel, dep_name) pad_bottom = results.instruments is not None and not last_row smry.tables.append( param_table(results, title, pad_bottom=pad_bottom)) if results.instruments: formatted = format_wide(results.instruments, 80) if not last_row: formatted.append([" "]) smry.tables.append( SimpleTable(formatted, headers=["Instruments"])) extra_text = ["Covariance Estimator:"] for line in str(self._cov_estimator).split("\n"): extra_text.append(line) if self._weight_estimtor: extra_text.append("Weight Estimator:") for line in str(self._weight_estimtor).split("\n"): extra_text.append(line) smry.add_extra_txt(extra_text) return smry
def summary(self): """Summary table of model estimation results""" title = self._method + ' Estimation Summary' mod = self.model top_left = [('Dep. Variable:', mod.dependent.cols[0]), ('Estimator:', self._method), ('No. Observations:', self.nobs), ('Date:', self._datetime.strftime('%a, %b %d %Y')), ('Time:', self._datetime.strftime('%H:%M:%S')), ('Cov. Estimator:', self._cov_type), ('', '')] top_right = [('R-squared:', _str(self.rsquared)), ('Adj. R-squared:', _str(self.rsquared_adj)), ('F-statistic:', _str(self.f_statistic.stat)), ('P-value (F-stat)', pval_format(self.f_statistic.pval)), ('Distribution:', str(self.f_statistic.dist_name)), ('', ''), ('', '')] stubs = [] vals = [] for stub, val in top_left: stubs.append(stub) vals.append([val]) table = SimpleTable(vals, txt_fmt=fmt_2cols, title=title, stubs=stubs) # create summary table instance smry = Summary() # Top Table # Parameter table fmt = fmt_2cols fmt['data_fmts'][1] = '%18s' top_right = [('%-21s' % (' ' + k), v) for k, v in top_right] stubs = [] vals = [] for stub, val in top_right: stubs.append(stub) vals.append([val]) table.extend_right(SimpleTable(vals, stubs=stubs)) smry.tables.append(table) param_data = c_[self.params.values[:, None], self.std_errors.values[:, None], self.tstats.values[:, None], self.pvalues.values[:, None], self.conf_int()] data = [] for row in param_data: txt_row = [] for i, v in enumerate(row): f = _str if i == 3: f = pval_format txt_row.append(f(v)) data.append(txt_row) title = 'Parameter Estimates' table_stubs = list(self.params.index) header = [ 'Parameters', 'Std. Err.', 'T-stat', 'P-value', 'Lower CI', 'Upper CI' ] table = SimpleTable(data, stubs=table_stubs, txt_fmt=fmt_params, headers=header, title=title) smry.tables.append(table) instruments = self.model.instruments if instruments.shape[1] > 0: extra_text = [] endog = self.model.endog extra_text.append('Endogenous: ' + ', '.join(endog.cols)) extra_text.append('Instruments: ' + ', '.join(instruments.cols)) cov_descr = str(self._cov_estimator) for line in cov_descr.split('\n'): extra_text.append(line) smry.add_extra_txt(extra_text) return smry