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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...