Bookmark and Share

Notice: On April 23, 2014, Statalist moved from an email list to a forum, based at statalist.org.


[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: st: RE: Kappa query - unequal distribution of scores


From   "Seyi Soremekun" <[email protected]>
To   <[email protected]>
Subject   Re: st: RE: Kappa query - unequal distribution of scores
Date   Thu, 22 Sep 2011 10:40:37 +0100

I am away from the 21st September until the 12th October. Please direct any urgent enquiries to Linda Vesel ([email protected]).
Seyi

>>> Nick Cox <[email protected]> 09/22/11 10:36 >>>

I'd think about bootstrapping here. Other advice is to use "Stata" not "STATA".

On Thu, Sep 22, 2011 at 10:06 AM, Downs, Sara
<[email protected]> wrote:
> Hi,
>
> I am trying to calculate agreement between 2 distributions of scores.
> There are 3 possible scores: One score predominates and the other 2 are
> extremely rare :
>
>  tab rev1 rev2
>
>           |               rev2
>      rev1 |         0          1          2 |     Total
> -----------+---------------------------------+----------
>         0 |         1          6          0 |         7
>         1 |        13         57          3 |        73
>         2 |         0          2          1 |         3
> -----------+---------------------------------+----------
>     Total |        14         65          4 |        83
>
>
> .         kap rev1 rev2
>
>             Expected
> Agreement   Agreement     Kappa   Std. Err.         Z      Prob>Z
> -----------------------------------------------------------------
>  71.08%      70.47%     0.0206     0.0852       0.24      0.4042
>
>
> I understand that the usual kappa statistic is not reliable in this
> situation .   Is there any way in STATA that I can adjust for the high
> expected frequency. I am using STATA 10.1.
>

*
*   For searches and help try:
*   http://www.stata.com/help.cgi?search
*   http://www.stata.com/support/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/statalist/faq
*   http://www.ats.ucla.edu/stat/stata/


© Copyright 1996–2018 StataCorp LLC   |   Terms of use   |   Privacy   |   Contact us   |   Site index