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listucrmodels
2011 Oct 12
2
goofy class question
Dear R People:
Here is a really goofy question.
I have some objects which have 2 classes: data.frame and ucr.
Also, the classes will always be in that order.
I have tried all sorts of things, but to no avail.
listucrModels <- function(envir=.GlobalEnv, ...) {
objects <- ls(envir=envir, ...)
if (length(objects) == 0) NULL
else objects[sapply(objects,
function(.x) "ucr"==
(class(eval(parse(text=.x), envir=envir))[2]))]
}
> listucrModels()
[1] NA NA NA...