watex.utils.mlutils.existfeatures

watex.utils.mlutils.existfeatures(df, features, error='raise')

Control whether the features exist or not

Parameters:

• df – a dataframe for features selections

• features – list of features to select. Lits of features must be in the dataframe otherwise an error occurs.

• error – str - raise if the features don’t exist in the dataframe. default is raise and ignore otherwise.

Returns:

bool assert whether the features exists