dot-calculate_single_colum_mean: calculate single column mean of target by column value

In ddzr/XL.RPackage: XL R Package

Description

Output a data.table that contains single column mean target by column value

Usage

.calculate_single_colum_mean(
  mean_target_colname,
  target_colname,
  data,
  min_samples_leaf = 0,
  smoothing = 1
)

Arguments

mean_target_colname	single column name that needs mean target encoding
target_colname	target column name, should be numeric
data	dataset used to calculate mean target, usually is the training dataset
min_samples_leaf	minimum quantity per column value we consider needs to be calculate mean. below two settings introduced here https://www.kaggle.com/ogrellier/python-target-encoding-for-categorical-features
smoothing	used to adjust column value mean target from grand target value, default value 1 is to ignore grand target value

Value

a data.table contains mean target per column value

ddzr/XL.RPackage documentation built on June 8, 2020, 12:36 a.m.