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Dear all, How can i obtain odds ratio in logistic regression when the model contains interaction terms in R? how can i obtain OR for a special case? Thanks in advance for any help. Amin

Help Please Hello, I want to find the whole hat matrix not only the hat values. Is there anyway that could be extracted from lm function ?. If not, please suggest something else. Direct computations using chol2inv or solve are not stable if t(X)%*%X has  high determinant. In this case lm is still able to produce correct fitted values, hat_value, residuals...etc but direct computations fail to do