Returns x unchanged if it already is a dea_panel_data object;
otherwise passes it (and ...) to dea_panel_data.
Arguments
- x
A
dea_panel_dataobject or a long-format data frame.- ...
Passed to
dea_panel_datawhen coercion is needed.
Returns x unchanged if it already is a dea_panel_data object;
otherwise passes it (and ...) to dea_panel_data.
A dea_panel_data object or a long-format data frame.
Passed to dea_panel_data when coercion is needed.