It is already fixed, in three steps:
R-2.12.0:
• model.frame had an unstated 500 byte limit on variable names.
(Example reported by Terry Therneau.)
R-patched:
• The data.frame method of format failed if a column name was
longer than 256 bytes (the maximum length allowed fo
A few weeks ago I reported a problem with model.frame, whose root lay
in a formula expression "+ ratetable(x1=x1, x2=x2, x100=x100)"
that was really long and caused model.frame to fail. Brian had some
indefinite ideas on what might need to change in the base code to handle
it.
In survi
