[R] question about random variable generating function
astephen at efs.mq.edu.au
Fri Aug 6 03:50:55 CEST 2004
Both: norm_rand generates a standard normal, rnorm allows mean and
standard deviation arguments, so using the latter is easiest.
Department of Statistics
NSW 2109, Australia
>>> <xt_wang at cs.concordia.ca> 08/06/04 11:34am >>>
I have questions about functions in chapter 5: The R API:entry points
code in "writing R Extensions".
They are :
1. double rnorm(double mu, double sigma)
2. double norm_rand()
question is: which of the above two functions can be used to generate a
variable of normal distribution?
If norm_rand() is the function, how can I generate random variables
mean=0 and standard deviation=5? As I know, it is used to generate a
variable which mean=0,std=1.
I will appreciate very much if anybody can help me.
Thanks in advance!
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