Displaying 2 results from an estimated 2 matches for "class8".
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2008 Aug 18
1
lmer syntax, matrix of (grouped) covariates?
...thin a
grouping "class", of which there are 8. I have an accessory vector, "
cov2class" that specifies the mapping between covariates and the 8 classes.
Now, I understand I can break all this information up into individual
vectors (cov1, cov2, ..., cov211, class1, class2, ..., class8), and do
something like this:
model <- lmer(Y ~ 1 + cov1 + cov2 + ... + cov211 +
(cov1 + cov2 + ... | class1) +
(...) +
(... + cov210 + cov211 | class8)
But I'd like keep things syntactically simpler, and use the covariates
and cov2clas...
2012 Nov 09
9
lm function - strange error
I am following a document teaching how to use regression and right at the
onset I get an R error. I understand that variables "conc" and "signal"
should have the same length but I am using the what R manual suggests to
drop the error and it is not cooperating. What gives? The manual says
that the default is na.ombit by the way, not that it's addition does
anything
How