log_trans: Logarithmic transformation

In creditmodel: Toolkit for Credit Modeling, Analysis and Visualization

Description

log_trans is for logarithmic transformation

Usage

log_trans(
  dat,
  target,
  x_list = NULL,
  cor_dif = 0.01,
  ex_cols = NULL,
  note = TRUE
)

log_vars(dat, x_list = NULL, target = NULL, cor_dif = 0.01, ex_cols = NULL)

Arguments

dat	A data.frame.
target	The name of target variable.
x_list	A list of x variables.
cor_dif	The correlation coefficient difference with the target of logarithm transformed variable and original variable.
ex_cols	Names of excluded variables. Regular expressions can also be used to match variable names. Default is NULL.
note	Logical, outputs info. Default is TRUE.

Value

Log transformed data.frame.

Examples

dat = log_trans(dat = UCICreditCard, target = "default.payment.next.month",
x_list =NULL,cor_dif = 0.01,ex_cols = "ID", note = TRUE)

creditmodel documentation built on Jan. 7, 2022, 5:06 p.m.