Hi, What do you want to do with these data?
If you just need to know what share of the respondants use each software, I suggest to make means of columns, the sum of lines will give you the number of softwares used by each respondent, the mean of the sums of lines will thus give you the average number of softwares used, etc. Luc > On Fri, 24 Jun 2005, ronggui wrote: > > > in a questionair i ask: > > Which of the following software packages do you > use for data analysis? > > 1 R > > 2 S-Plus > > 3 SAS > > 4 SPSS > > 5 Stata > > 6 others > > (In this question, respondents are asked to mark > the name of each package they use. Respondents may > mark any number of packages) > > > > and code the answer as: > > q1_R q1_SPlus q1_SAS > q1_SPSS q1_Stata q1_others > > 1. 1 0 0 > 0 0 1 > > 2. 1 1 0 > 0 1 0 > > 3. 0 0 0 > 0 1 0 > > 4. 0 0 1 > 0 0 0 > > 5. 0 0 1 > 0 0 1 > > > > > > my question: is there any function dealing with > this data? ______________________________________________ [email protected] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
