I have to compare treatment dose-response assay
data. This can be done using regression as in
Finney's book (among other references). However,
I understand that non-parametric tests for the
parallelism of 2 regression lines was coded in SAS
in the late 70s. While I have some old proc matrix
code described in SAS SUGI 4 (1979) to do it, does
anyone have something more current that is online
somewhere or that they could share ?
My study involves bacterial strains measured under
different treatment conditions.
thanks,
Al Barron
Metuchen, NJ
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