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2001 Oct 01
1
Grouped Regression
...us, Please reply directly to this email if you have a suggestion, as I am not currently an R-help member. I would like to complete a non-linear regression with groups. Having gone down the path of completing such things under GENSTAT, I would prefer to do it with R. My example data set is... TimeTreat ExtrVol2 SorbedT ET1 39.5 384.5 ET1 78.7 305.2 ET1 118.0 261.5 ET1 157.6 233.7 ET1 197.5 206.3 ET2 37.5 422.1 ET2 74.8 405.5 ET2...