[R] generate ordered categorical variable in R

David L Carlson dcarlson at tamu.edu
Wed Sep 16 19:33:22 CEST 2015

There is a version of sample especially for integers:

> Q1 <- matrix(sample.int(4, 200, replace=TRUE), 200)
> str(Q1)
 int [1:200, 1] 1 4 4 2 3 3 4 4 2 3 ...

David L Carlson
Department of Anthropology
Texas A&M University
College Station, TX 77840-4352

-----Original Message-----
From: R-help [mailto:r-help-bounces at r-project.org] On Behalf Of thanoon younis
Sent: Wednesday, September 16, 2015 12:11 PM
To: r-help at r-project.org
Subject: [R] generate ordered categorical variable in R

Dear R- users

I want to generate ordered categorical variable vector with 200x1 dimension
and from 1 to 4 categories and i tried with this code

Q1=runif(200,1,4) the results are not just 1 ,2 3,4, but the results with
decimals like 1.244, 2.342,4,321 and so on ... My question how can i
generate a vector and also a matrix with orered categorical variables and
without decimals just 1,2,3 ,4 ,1,2,3,4, ....

Many thanks in advance

Thanoon Y. Thanoon
PhD Candidate
Department of Mathematical Sciences
Faculty of Science
University Technology Malaysia, UTM
E.Mail: Thanoon.younis80 at gmail.com
E.Mail: dawn_prayer80 at yahoo.com
Facebook:Thanoon Younis AL-Shakerchy
Twitter: Thanoon Alshakerchy

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