Dear all,
Before I use -extremes- to test outliers, -predit stdrest, rstandard-
was applied to get the sandardized residuals. But I was informed that
"error: r(198) and option rstandard not allowed". The same problem to
option rstudent and cooksd.
The regression is : regress x y z*w a b
There is a interaction termsz*w. If it results in the problem?
I'm using Stata version 8.2. The system is Windows XP. Can someone
tell me what's wrong? Tons of thanks.
--
Xiangping JIA
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