On 04/07/2013 12:59, Dániel Kehl wrote:
Dear R users,
I have a dataset with two ordered variables, tr_x1 and tr_y1. A crosstable of
them can bee seen below.
tr_x1
tr_y1 -1 0 1
-1 629 100 629
0 1396 4353 1443
1 668 126 655
It is clear that if tr_x1 is 0, it has an effect on tr_y1. A chi-square
statistic is clearly showing this with a low p-value.
Is there a regression-based method you would offer? I tried polr from MASS
package but without finding a significant coefficient, because the columns for
tr_x1 and tr_y1 are similar.
Your mistake is testing coefficients, not overall fit.
Thank you for your help!
daniel
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