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Re: st: weighted kappa more than two raters
From
Richard Goldstein <[email protected]>
To
[email protected]
Subject
Re: st: weighted kappa more than two raters
Date
Tue, 14 Jan 2014 09:53:23 -0500
that is a large matrix not consistent with what I thought you were doing
so I went back and re-read your emails and see that you are attempting
something that the help file says you can but no examples are presented
in either the help file or the manual - I suggest you write to tech support
Rich
On 1/14/14, 9:23 AM, Thoret, Sophie wrote:
> 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
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