PatientLevelPrediction (version 6.6.0)

createSimpleImputer: Create Simple Imputer settings

Description

This function creates the settings for a simple imputer which imputes missing values with the mean or median

Usage

createSimpleImputer(
  method = "mean",
  missingThreshold = 0.3,
  addMissingIndicator = FALSE
)

Value

The settings for the single imputer of class featureEngineeringSettings

Arguments

method

The method to use for imputation, either "mean" or "median"

missingThreshold

The threshold for missing values to be imputed vs removed

addMissingIndicator

Add a binary missingness indicator per feature that passes the imputation missingness threshold.

Examples

# create imputer to impute values with missingness less than 10% using the median
# of observed values
createSimpleImputer(method = "median", missingThreshold = 0.10)