Hi there

I have the dataframe below saved in an object /tst/

agegrp bmigrp   pep     n
1      1      a         0       2
2      2      a         0       2
3      3      a         0       0
4      1      b         0      47
5      2      b         0      43
6      3      b         0      31
7      1      c         0     200
8      2      c         1     152
9      3      c         2     137

When i run Exact Logistic regression analysis:

elrm (formula = pep/n ~ bmigrp, interest = ~ bmigrp, iter = 22000,  dataset
= tst, burnIn = 5000)

I get the following error:

*Error in data.frame(..., check.names = FALSE) :
  arguments imply differing number of rows: 9, 8*

I was wondering if anyone knew what i was doing wrong.

Thanks in advance



-----
Best Wishes

Razi Zaidi





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