5d8b81e16143d6eea9e86a586fe737854c03c772,linearmodels/panel/model.py,PanelOLS,_choose_cov,#PanelOLS#Any#,496

Before Change

        
        clusters = cov_config.get("clusters", None)
        if clusters is not None:
            clusters = PanelData(clusters, var_name="cov.cluster", convert_dummies=False)
            clusters = clusters.dataframe.copy()
        
        cluster_entity = cov_config_upd.pop("cluster_entity", False)
        if cluster_entity:
            group_ids = self.dependent.entity_ids.squeeze()

After Change

        clusters = cov_config.get("clusters", None)
        if clusters is not None:
            clusters = self.reformat_clusters(clusters).copy()
            for col in clusters.dataframe:
                cat = pd.Categorical(clusters.dataframe[col])
                clusters.dataframe[col] = cat.codes.astype(np.int64)
            clusters = clusters.dataframe

Instances