lace.ColumnMetadata.categorical

ColumnMetadata.categorical(k, value_map=None, prior=None, hyper=None)

Create categorical column metadata

Parameters:

  • name (str) – The name of the column

  • k (int) – The number of categories

  • value_map (ValueMap, optional) – A map from possible values to unsigned integers. If None (default), it is assumed the values to this column take on values in [0, k-1].

  • prior (CategoricalPrior, optional) – The prior on the data. If None (default), a prior will be drawn from the hyper

  • hyper (CategoricalHyper, optional) – The prior on the data. If None (default) and prior is defined, the prior parameters will be locked.