VIMean (version 0.1.0)

VIM: variability independent of mean (VIM)

Description

Please feel free to contact us, if you have any advice and find any bug!

Version History:

Version 0.1.0: The first version.

Usage

VIM(data,id,repeat.vars)

Value

vim

the VIM of each subject

coef

the coefficients fitted from the regression of "sntd ~ k*avg^p"

r.squared,adj.r.squared

the r-squared and adjusted r-squared of the regression

Arguments

data

a width type data frame

id

the name of variable indicating the subjects, e.g., "ID"

repeat.vars

the name of variables indicating the repeated measurement data, e.g., c("x1","x2","x3")

Examples

set.seed(123)
df <- data.frame( "ID" = paste("ID", seq(1,100,1), sep = ""),
                  "x1" = sample(90:220, size = 100, replace = TRUE),
                  "x2" = sample(90:220, size = 100, replace = TRUE),
                  "x3" = sample(90:220, size = 100, replace = TRUE),
                  "x4" = sample(90:220, size = 100, replace = TRUE),
                  "x5" = sample(90:220, size = 100, replace = TRUE))
rst <- VIM(data=df,id="ID",repeat.vars=paste0("x",1:5))