How to convert point feature class file to presence-absence data?

Discussion created by haohuang on Jun 12, 2012
Latest reply on Jun 12, 2012 by haohuang
I need run a logistic regression model about the probability of occurrences of events. I have these location point file for these occurrences of events. In order to run the logistic regression, I need convert this point file into presence-absence data and export it. I am not sure how to convert it. Any helps? Thanks in advance!