carlocelis
commented
6 years ago We got these also. Based on https://discuss.analyticsvidhya.com/t/glm-fit-fitted-probabilities-numerically-0-or-1-occurred-warning-message-when-i-run-logistic-regression/10390/3
"If you feel that in the problem that you are dealing with can have such possibilities, it is advisable to leave this as it is and ignore the warning."
Based on this, the warning message is not necessarily negative and can even be valid based on your data set. So in our case, we ignored the warning
I got below warning messages after I run stepWise function. What do they indicate?
Warning messages: 1: glm.fit: fitted probabilities numerically 0 or 1 occurred 2: glm.fit: fitted probabilities numerically 0 or 1 occurred 3: glm.fit: fitted probabilities numerically 0 or 1 occurred 4: glm.fit: fitted probabilities numerically 0 or 1 occurred 5: glm.fit: fitted probabilities numerically 0 or 1 occurred 6: glm.fit: fitted probabilities numerically 0 or 1 occurred