PandasRegistry

class liesel_gam.PandasRegistry(data, na_action='error', prefix_names_by='')

Bases: object

Registry for managing variables and their transformations.

Handles conversion from pandas.DataFrame to liesel.Var objects, applies transformations, and caches results for efficiency.

Methods

get_boolean_obs	Get a variable and ensure it is boolean.
get_calc	Get a derived version of the variable.
get_calc_centered	Get a centered version of the variable: x - mean(x).
get_calc_dummymatrix	Get dummy matrix for a categorical column using standard dummy coding.
get_calc_standardized	Get a standardized version of the variable: (x - mean(x)) / std(x).
get_categorical_obs	Get a variable and ensure it is categorical.
get_numeric_obs	Get a variable and ensure it is numeric.
get_obs	Get or create a liesel Var for a data column.
get_obs_and_mapping	Get an observed variable.
is_boolean	Check if a variable is boolean.
is_categorical	Check if a variable is categorical.
is_numeric	Check if a variable is numeric.

Attributes

columns	Get list of available column names.
shape	Get shape of the data after NA handling.