Never mind, as you can tell I am new at R, I had to load the package.
Best,
Jared
japomani wrote:
>
> 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?
>
> 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.
>>>
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>>> 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-tp21768835p21781463.html
Sent from the R help mailing list archive at Nabble.com.
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