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Re: st: weighted kappa more than two raters
From
"Thoret, Sophie" <[email protected]>
To
"[email protected]" <[email protected]>
Subject
Re: st: weighted kappa more than two raters
Date
Tue, 14 Jan 2014 14:23:34 +0000
My matrix is
Ratings weighted by:
1.0000 0.8889 0.7778 0.6667 0.5556 0.4444 0.3333 0.2222
0.1111 0.0000
0.8889 1.0000 0.8889 0.7778 0.6667 0.5556 0.4444 0.3333
0.2222 0.1111
0.7778 0.8889 1.0000 0.8889 0.7778 0.6667 0.5556 0.4444
0.3333 0.2222
0.6667 0.7778 0.8889 1.0000 0.8889 0.7778 0.6667 0.5556
0.4444 0.3333
0.5556 0.6667 0.7778 0.8889 1.0000 0.8889 0.7778 0.6667
0.5556 0.4444
0.4444 0.5556 0.6667 0.7778 0.8889 1.0000 0.8889 0.7778
0.6667 0.5556
0.3333 0.4444 0.5556 0.6667 0.7778 0.8889 1.0000 0.8889
0.7778 0.6667
0.2222 0.3333 0.4444 0.5556 0.6667 0.7778 0.8889 1.0000
0.8889 0.7778
0.1111 0.2222 0.3333 0.4444 0.5556 0.6667 0.7778 0.8889
1.0000 0.8889
0.0000 0.1111 0.2222 0.3333 0.4444 0.5556 0.6667 0.7778
0.8889 1.0000
Le 14/01/2014 15:10, « Richard Goldstein » <[email protected]> a
écrit :
>1. I would use -kapwgt-
>
>2. I can't judge your matrix since you don't show it (use -matrix li-)
>
>Rich
>
>On 1/14/14, 8:54 AM, Thoret, Sophie wrote:
>> Ok so ill try to re-explain better :
>>
>> I want to calculate a weighted kappa with 4 raters (this is a 10 outcome
>> answer, that why i want to use a weighted kappa)
>>
>> So I used the fonction :
>> kap var1 var2 var3 var4 , wgt(w)
>>
>>
>> With the weight prerecorded : w
>> So i think i don’t have to use first -kapwgt- ?
>>
>> If i did : kap var1 var2, wgt(w)
>> it’s work for 2 variables, but if i put more than 2 variables it does’t
>> work, do you know how can i do to calculate a kappa with 4 variables and
>> using a weigh ?
>>
>> Thanks again ,
>>
>> Le 14/01/2014 14:33, « Richard Goldstein » <[email protected]> a
>> écrit :
>>
>>> your question is not clear to me but setting up a weight matrix is
>>> described in the help file and in the documentation; have you looked?
>>>
>>> Rich
>>>
>>> On 1/14/14, 8:20 AM, Thoret, Sophie wrote:
>>>> You said that i can¹t use the weight prerecorded ? Even if it¹s the
>>>>good
>>>> mat for each 2*2 raters
>>>>
>>>> So how can i recorded a mat for 3 or more raters ?
>>>>
>>>> Thanks
>>>>
>>>> Le 14/01/2014 14:10, « Richard Goldstein » <[email protected]> a
>>>> écrit :
>>>>
>>>>> sounds like you did not follow the instructions and use -kapwgt-
>>>>>first;
>>>>> see -h kap-
>>>>>
>>>>> Rich
>>>>>
>>>>> On 1/14/14, 8:04 AM, Thoret, Sophie wrote:
>>>>>> Hi,
>>>>>>
>>>>>> In the stata help for KAPPA we can see :
>>>>>>
>>>>>> Interrater agreement, nonunique raters, variables record ratings
>>>>>>for
>>>>>> each rater
>>>>>>
>>>>>> kap varname1 varname2 varname3 [...] [if] [in] [weight]
>>>>>>
>>>>>> Is it really possible to add weight with more than 2 raters, if yes
>>>>>> how
>>>>>> can i do it ? Because il i tape :
>>>>>> kap var1 var2 var3 , wgt(w)
>>>>>> I¹ve got an error message :
>>>>>> option opts not allowed
>>>>>> r(198);
>>>>>>
>>>>>> I didn¹t find anywhere somethings about this topic,
>>>>>>
>>>>>> Can you help me,
>>>>>>
>>>>>> Thanks
>>>>>>
>>>>>> Sophie
>>> *
>>> * For searches and help try:
>>> * http://www.stata.com/help.cgi?search
>>> * http://www.stata.com/support/faqs/resources/statalist-faq/
>>> * http://www.ats.ucla.edu/stat/stata/
>>
>>
>> *
>> * For searches and help try:
>> * http://www.stata.com/help.cgi?search
>> * http://www.stata.com/support/faqs/resources/statalist-faq/
>> * http://www.ats.ucla.edu/stat/stata/
>>
>*
>* For searches and help try:
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>* http://www.ats.ucla.edu/stat/stata/
*
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