Dear Jared, > -----Original Message----- > From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] On > Behalf Of japomani > Sent: February-01-09 5:39 PM > To: r-help@r-project.org > Subject: Re: [R] thurston case 5 > > > John, > > I installed the psych package and all it's dependencies. Then following the > psych manual, I type > > thurstone(x, ranks = FALSE, digits = 2) > > the result is > > Error: could not find function "thurstone" > > Any suggestions?
library(psych) I hope that helps, John > > Best, > > Jared > > John Fox-6 wrote: > > > > Dear Jared, > > > > See ?thurstone in the psych package. RSiteSearch("Thurstone") turns this > > up > > as the first hit. Also see the BradleyTerry package for the similar > > Bradley-Terry model. > > > > Regards, > > John > > > > ------------------------------ > > John Fox, Professor > > Department of Sociology > > McMaster University > > Hamilton, Ontario, Canada > > web: socserv.mcmaster.ca/jfox > > > >> -----Original Message----- > >> From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] > > On > >> Behalf Of japomani > >> Sent: January-31-09 5:04 PM > >> To: r-help@r-project.org > >> Subject: [R] thurston case 5 > >> > >> > >> Hi, I hope some one can help. I need to compute Thurston's case 5 on a > > large > >> set of data. I have gotten as far as computing the proportional > >> preference > >> matrix but the next math is beyond me. > >> > >> Here us my matrix > >> > >> 0.500 0.472 0.486 0.587 0.366 0.483 0.496 0.434 > >> 0.528 0.500 0.708 0.578 0.633 0.554 0.395 0.620 > >> 0.514 0.292 0.500 0.370 0.557 0.580 0.615 0.329 > >> 0.413 0.422 0.630 0.500 0.783 0.641 0.731 0.663 > >> 0.634 0.367 0.443 0.217 0.500 0.351 0.907 0.686 > >> 0.517 0.446 0.420 0.359 0.649 0.500 0.325 0.559 > >> 0.504 0.605 0.385 0.269 0.093 0.675 0.500 0.625 > >> 0.566 0.380 0.671 0.337 0.314 0.441 0.375 0.500 > >> > >> Can someone help me write an R script to compute the Thurston Case 5 > > values? > >> The result should be the scale values for each item. > >> > >> I found three web pages that might be useful in this, but again, I didn't > >> know enough to translate them into a result. > >> > >> http://marketing.byu.edu/htmlpages/books/pcmds/THURSTONE.html > >> http://www.personality-project.org/r/thurstone.html > >> http://en.wikipedia.org/wiki/Law_of_comparative_judgment > >> > >> Thanks, > >> > >> Jared > >> -- > >> View this message in context: http://www.nabble.com/thurston-case-5- > >> tp21768835p21768835.html > >> Sent from the R help mailing list archive at Nabble.com. > >> > >> ______________________________________________ > >> R-help@r-project.org mailing list > >> https://stat.ethz.ch/mailman/listinfo/r-help > >> PLEASE do read the posting guide > > http://www.R-project.org/posting-guide.html > >> and provide commented, minimal, self-contained, reproducible code. > > > > ______________________________________________ > > R-help@r-project.org mailing list > > https://stat.ethz.ch/mailman/listinfo/r-help > > PLEASE do read the posting guide > > http://www.R-project.org/posting-guide.html > > and provide commented, minimal, self-contained, reproducible code. > > > > > > -- > View this message in context: http://www.nabble.com/thurston-case-5- > tp21768835p21781083.html > Sent from the R help mailing list archive at Nabble.com. > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.