topic Re: Statistics: R programming in Statistical Procedures

Statistics: R programming

Idjaz12 — Mon, 04 May 2020 03:36:02 GMT

Suppose you are tasked with simulating a process where the inter-arrival times are not exponentially distributed, but Gamma(2, λ) under the fixed-count scheme, say 25 events, subject to the constraint that you must use the integral transform method of the Gamma distribution.

Im working using R.

The code below is what i used for an exponential distribution:
1 R> n = 25
2 R> lambda = 10
3 R> u = runif(n,0,1)
4 R> t = -1/lambda*log(1-u)

How would you modify it for a gamma distribution simulation.

Thanks

Re: Statistics: R programming

ed_sas_member — Mon, 04 May 2020 06:44:29 GMT

Hi @Idjaz12

Welcome to the SAS community users!

As this forum is exclusively dedicated to SAS matters, I am afraid your question is not at the right place here. I believe there are dedicated forums for R users, where you will find answers to your questions.

All the best,

Re: Statistics: R programming

Ksharp — Mon, 04 May 2020 11:51:14 GMT

It looks like you need CDF() . calling @Rick_SAS