[R] Monte Carlo Simulation

MacQueen, Don macqueen1 at llnl.gov
Sat Apr 16 00:25:45 CEST 2011

See below:

Don MacQueen

Lawrence Livermore National Laboratory
7000 East Ave., L-627
Livermore, CA 94550

-----Original Message-----
From: Jeremy Miles <jeremy.miles at gmail.com>
Date: Fri, 15 Apr 2011 14:17:13 -0700
To: Shane Phillips <SPhillips at lexington1.net>
Cc: "r-help at r-project.org" <r-help at r-project.org>
Subject: Re: [R] Monte Carlo Simulation

>On 15 April 2011 12:03, Shane Phillips <SPhillips at lexington1.net> wrote:
>> Here's a script of what I have so far.  I have a few problems.  First,
>>the correlations.  Next, recoding that categorical variable into
>>dichotomous variables.  Finally, the iterative filename thing.
> Where?
>Perhaps give the list one question at a time?
>Here's a start for one of the questions, selected (almost) at random.
>Give 80% of people a score of 1 on a x1, and 20% of people zero.
>tempVar <- runif(1000)
>x1 <- ifelse(tempVar < 0.8, 1, 0)

x1 <- rbinom(1000,1,0.8)

>Tell us how far you've got.  Do you need to know about write.table()
>for the saving the files, or is the problem with splitting a large
>file, or generating the 1000 names ...
>Jeremy Miles
>Psychology Research Methods Wiki: www.researchmethodsinpsychology.com
>R-help at r-project.org mailing list
>PLEASE do read the posting guide
>and provide commented, minimal, self-contained, reproducible code.

More information about the R-help mailing list