This function is a
switcher among the various numerical fitting
functions (
lm.fit.qr,
lm.fit.chol,
lm.fit.svd).
The argument
method does the switching:
"qr" for
lm.fit.qr,
etc.
For most purposes, you would be better off calling the lower-level
function directly unless you want to write code that takes the
method argument.
OPTIONAL ARGUMENTS:
...
Optional arguments vary by the method. Common arguments are:
singular.ok
logical value, if "
singular.ok=T" then fitting will continue in
the presence of over-determined models. Default
FALSE.
tolerance
is used to determine when a model is over-determined (singular).
Default is 1e-07.