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All, I have been reading Dr. Harrell's excellent "Regression Modeling Strategies" book and trying out the exercises. I understand that contrast( ) is used to obtain contrasts between two variables for given levels of other nuisance variables; is there a way to use contrast( ) to obtain, for example, Scheffe confidence intervals / hypothesis tests for many post hoc contrasts at

...a program is special in two ways: it is immediately executed on entrance to the function, and it is not allowed to have predecessor basic blocks" Is this really supposed to say: "The first basic block in a functionis special in two ways:" ? Thanks, Ivan --------------------- Ivan Novick http://www.0x4849.net