DLimeExplainer

DLimeExplainer is a wrapper around dlime.

class astrapia.explainers.DLimeExplainer(data, predict_fn, discretize_continuous=True)

Implementation of the DLime Explainer onto the base Explainer class

__init__(data, predict_fn, discretize_continuous=True)

Initializes a DLime explainer

Parameters:
  • data – data that is supposed to be explained

  • predict_fn – classification model that is supposed to be explained

  • discretize_continuous – should continuous values be separated into discrete categories

explain_instance(instance, num_features=10)

Creates a dlime explanation based on a given instance

Parameters:
  • instance – instance as dataframe

  • num_features – amount of features in the dataset

Returns:

the explanation

inverse_transform_dataset(data: DataFrame, meta: Dataset)

Inverse transform an explainer-specific dataset into the general Astrapia Dataset format

Parameters:
  • data – pandas dataframe holding data in the shape LIME needs it

  • meta – Astrapia Dataset object holding meta information that does not depend on data instances

Returns:

pandas dataframe in Astrapia Dataset format

transform_dataset(data: DataFrame, meta: Dataset) any

Returns the onehot encoded dataset

Parameters:
  • data – given dataset

  • meta – metadata with categorical information

Returns:

One-hot encoded DataFrame