R: Combine and melt feature values and SHAP contributions for...

prepare.ggplot.shap.data {xgboost} | R Documentation

## Combine and melt feature values and SHAP contributions for sample observations.

### Description

Conforms to data format required for ggplot functions.

### Usage

    prepare.ggplot.shap.data(data_list, normalize = FALSE)

### Arguments

`data_list` | List containing 'data' and 'shap_contrib' returned by `xgb.shap.data()`.
`normalize` | Whether to standardize feature values to have mean 0 and standard deviation 1 (useful for comparing multiple features on the same plot). Default `FALSE`.

### Details

Internal utility function.

### Value

A data.table containing the observation ID, the feature name, the feature value (normalized if specified), and the SHAP contribution value.

[Package xgboost version 1.5.1.1 Index]