I used clogit function in R-studio with my research variable (BM2+BH3+WM2+WL3+FG2+FE3+RG2+RE3+Cost) .
This script is working though I got the following warning message. I would like to understand the meaning of that warning message.
What does it mean?
In coxexact.fit(X, Y, istrat, offset, init, control, weights = weights, :
Ran out of iterations and did not converge