[R] MA / RMA / Type II regression?

Pete St. Onge pete at seul.org
Fri Feb 4 17:30:39 CET 2000

For starters, let me say again how impressive R is, and how all of the
effort that has gone into R shines through clearly. It is an amazing
program, and I am frequently pleasantly surprised to find out how powerful
and capable R is. Finding the interface to xgobi is the latest pleasant

Are there functions in R for Major Axis and Reduced Major Axis regression? I
have OBS-RESID graphs of two of my regressions showing a linear increasing
trend, indicating the inappropriate use of Type I regression; I upgraded to
R 0.90.1 and after looking through the help pages, didn't see anything that
seemed what I needed. LQS didn't quite seem what I was looking for.

Any pointers are greatly appreciated.



Pete St. Onge - McGill U.  Limnology - Fun with Ropes & Buckets
pete at seul.org                  http://wwp.mirabilis.com/4322052
SEUL - Linux for All!                       http://www.seul.org
Programming For Science Page        http://www.trentu.ca/~erpds
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