=============== Data Structures =============== .. currentmodule:: a2rl ``whatif`` extends ``pandas`` data frame and series to allow you enrich your tabular and sequence data with *sar* information (i.e., the expected column names of*states*, *actions*, and *rewards*). Please note that this site documents only functionalities that ``whatif`` specifically provides. Should you need the documentations for the base ``pandas`` functionalities, please consult to :class:`pandas.DataFrame` and :class:`pandas.Series`. .. autosummary:: :toctree: api :nosignatures: WiDataFrame WiSeries TransitionRecorder