R Language Interview Questions

Every matrix can be an array but every array need not be a matrix. A matrix cannot have more than 2 dimensions, whereas an array can be multi dimensional.

setwd() and getwd() functions are used to set a working directory and get the working directory for R.
setwd() is used to direct R to perform any action in that location and to directly import objects from there itself.
getwd() is used to see which is the current working directory of R