Generating explanation metadata for tabular models

explain-metadata.py

# The following explanation metadata can be used for tabular models that accept a numpy array as input
# Write the `explanation_metadat` object below to a JSON file called explanation_metadata.json
explanation_metadata = {
    "inputs": {
      "data": {
        "input_tensor_name": model.input.name,
        "input_baselines": [train_data.median().values.tolist()],
        "encoding": "bag_of_features", 
        "index_feature_mapping": train_data.columns.tolist()
      }
    },
    "outputs": {
      "duration": {
        "output_tensor_name": model.output.name
      }
    },
  "framework": "tensorflow"
}