This command will append random numbers to the end of a variable. This command shares the same algorithms as the RND command but does not delete the data currently in the variable list.
var - variable name
numsamples - number of values the variable will have after this command
dist Random distribution type
UNI - uniform (double floating point)
UNIINT - uniform (integer)
NORM - Normal
LOGNORM - Lognormal
POISSON - poisson
param - parameters for the random distribution type