Dear all, Suppose "h1.lm1" is my multiple regression object. When I tried to use "plot(h1.lm1)", I got the following warning message. --------------------- plot(hla4.lm1) Warning messages: 1: NaNs produced in: sqrt(crit * p * (1 - hh)/hh) 2: NaNs produced in: sqrt(crit * p * (1 - hh)/hh) --------------------- Does anyone know Where the problem might come from?
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