I am trying to learn R, and am having problems with doing a simple linear
regression. I loaded data from a fixed width file, using wd=c(...), and
read.fwf(...) and I can read in the file ok and it comes in as vectors in
columns, which is what I expected. The problem is when I try to do a linear
regression, lm=(y~x), I get the following error message, "Error in
model.frame.default(formula = y ~ x, drop.unused.levels = TRUE) :
invalid type (list) for variable 'y'
I tried various things, such as wd=numeric(c(..)), unlist(y) and putting x
and y in a data frame and attaching it, but nothing helps. I have searched
through 3 online manuals, but can't seem to find an answer. Maybe this is
so simple that nobody felt the need to address it.
Thanks for your help.
B.Kindseth
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