Select a set of models from a celda_list objects based off of rows in its run.params attribute.
selectModels(celda.list, run.param.rows)
A celda_list object returned from celda()
Row indices in the celda.list's run params corresponding to the desired models.
A celda_list containing celda model objects matching the provided parameters (of class "celda_C", "celda_G", "celda_CG" accordingly), or NA if one is not found.