Subtypes of dataframe

dataframe_for_activities = {dataframe_for_activities_impl}

dataframe_for_params = {dataframe_for_params_impl}

dataframe_for_reps = {dataframe_for_reps_impl}

dataframe_for_trials = {dataframe_for_trials_impl}

dataframe_merge = {dataframe_merge_impl}

dataframe_subset = {dataframe_subset_impl}

stimulus_set = {stimulus_set_impl}