transform: Z-score normalization

In liver: "Eating the Liver of Data Science"

Z-score normalization

Description

Performs variable transformation such as Z-score and min-max normalization.

Usage

transform(x, method = c("minmax", "zscore"), columns = NULL, na.rm = FALSE)

Arguments

x	a numerical vector, a matrix or a data.frame.
method	a method to transfer x.
columns	which columns are going to tranfer for the cases that x is a matrix or a data.frame. Defaults to all columns.
na.rm	a logical value indicating whether NA values in x should be stripped before the computation proceeds.

Value

transformed version of x.

Author(s)

Reza Mohammadi [e-mail] and Kevin Burke [e-mail]

See Also

zscore, minmax

Examples

x = c(2.3, -1.4, 0, 3.45)

transform(x, method = "minmax")

transform(x, method = "zscore")

liver documentation built on Oct. 28, 2024, 5:07 p.m.