sp_set_factor_order: Set factor order of given variable. If 'variable_order' is...

In Tong-Chen/YSX: For Yishengxin Training

Description

Set factor order of given variable. If variable_order is supplied, only factors in variable_order will be kept and re-factored. Other variables would be depleted.

Usage

sp_set_factor_order(data, variable, variable_order = NULL)

Arguments

data	A data matrix
variable	One column name of data matrix
variable_order	Expected order of data[[variable]].

Value

A data frame

Examples

data <- data.frame(A=letters[1:4], B=letters[1:4])
data
data = sp_set_factor_order(data,'A')
data$A
data = sp_set_factor_order(data,'B',c('c','d','b','a'))
data$B
data = sp_set_factor_order(data,'B',c('c','d','a'))
data$B

Tong-Chen/YSX documentation built on Jan. 25, 2021, 2:49 a.m.