statsmodels.tsa.arima_model.ARIMAResults¶
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class
statsmodels.tsa.arima_model.ARIMAResults(model, params, normalized_cov_params=None, scale=1.0)[source]¶ Attributes
use_tFlag indicating to use the Student’s distribution in inference. Methods
conf_int([alpha, cols])Construct confidence interval for the fitted parameters. cov_params([r_matrix, column, scale, cov_p, …])Compute the variance/covariance matrix. f_test(r_matrix[, cov_p, scale, invcov])Compute the F-test for a joint linear hypothesis. forecast([steps, exog, alpha])Out-of-sample forecasts initialize(model, params, **kwargs)Initialize (possibly re-initialize) a Results instance. load(fname)Load a pickled results instance normalized_cov_params()See specific model class docstring plot_predict([start, end, exog, dynamic, …])Plot forecasts predict([start, end, exog, typ, dynamic])ARIMA model in-sample and out-of-sample prediction remove_data()Remove data arrays, all nobs arrays from result and model. save(fname[, remove_data])Save a pickle of this instance. summary([alpha])Summarize the Model summary2([title, alpha, float_format])Experimental summary function for ARIMA Results t_test(r_matrix[, cov_p, scale, use_t])Compute a t-test for a each linear hypothesis of the form Rb = q. t_test_pairwise(term_name[, method, alpha, …])Perform pairwise t_test with multiple testing corrected p-values. wald_test(r_matrix[, cov_p, scale, invcov, …])Compute a Wald-test for a joint linear hypothesis. wald_test_terms([skip_single, …])Compute a sequence of Wald tests for terms over multiple columns. Methods
conf_int([alpha, cols])Construct confidence interval for the fitted parameters. cov_params([r_matrix, column, scale, cov_p, …])Compute the variance/covariance matrix. f_test(r_matrix[, cov_p, scale, invcov])Compute the F-test for a joint linear hypothesis. forecast([steps, exog, alpha])Out-of-sample forecasts initialize(model, params, **kwargs)Initialize (possibly re-initialize) a Results instance. load(fname)Load a pickled results instance normalized_cov_params()See specific model class docstring plot_predict([start, end, exog, dynamic, …])Plot forecasts predict([start, end, exog, typ, dynamic])ARIMA model in-sample and out-of-sample prediction remove_data()Remove data arrays, all nobs arrays from result and model. save(fname[, remove_data])Save a pickle of this instance. summary([alpha])Summarize the Model summary2([title, alpha, float_format])Experimental summary function for ARIMA Results t_test(r_matrix[, cov_p, scale, use_t])Compute a t-test for a each linear hypothesis of the form Rb = q. t_test_pairwise(term_name[, method, alpha, …])Perform pairwise t_test with multiple testing corrected p-values. wald_test(r_matrix[, cov_p, scale, invcov, …])Compute a Wald-test for a joint linear hypothesis. wald_test_terms([skip_single, …])Compute a sequence of Wald tests for terms over multiple columns. Properties
aicarfreqReturns the frequency of the AR roots. arparamsarrootsbicbsecov_params_defaultfittedvalueshqicllfmafreqReturns the frequency of the MA roots. maparamsmarootspvaluesThe two-tailed p values for the t-stats of the params. residtvaluesReturn the t-statistic for a given parameter estimate. use_tFlag indicating to use the Student’s distribution in inference.