Normalize rows of a matrix within range 0 and 1

Question

I am trying to normalize all rows of my matrix data at once within range 0 and 1. But I don\'t know how to do it.. For example, I want to normalize each \"obs1\", \"obs2\",

Answer 1

You could use the apply with rescale as the following:

apply(mydata, 1, rescale)

where the second argument 1 tells apply to work with rows.

The default range is [0, 1] but a custom range can be specified with the to argument that will be forwarded to the rescale function:

apply(mydata, 1, rescale, to=c(1,2))

Dependecy:

if(!require(scales)){
    install.packages("scales", dependencies=TRUE)
    library(scales)
}