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2010 Dec 29
1
Problem applying Chi-square in R and Cochran's Recommendations
...this mail) ...when I wanted to test the significance
using three different free statistical packages, here R, EpiInfo and
OpenEpi.
*Only OpenEpi accepts the test based on Cochran's Recommendations. *
R says " chi squared approximation may be incorrect."
Does it mean the same as what EpInfo saying " Chi square is not valid"
Regards,
Dr. B. Manoj Aravind.
*Table for analysis*
Number of STDs Identified
Type of Health worker <2 2 or >
ASHA 39 5
AWW...