I'm having a problem with aggregate.formula when I call it in a function and
the function is converted from a string in the funtion
I think my problem may also only occur when the left hand side of the formula
is cbind(...)
Here is example code that generates a dataset and then the error.
On Wed, Jan 26, 2011 at 2:04 PM, Paul Bailey pdbai...@umd.edu wrote:
I'm having a problem with aggregate.formula when I call it in a function and
the function is converted from a string in the funtion
I think my problem may also only occur when the left hand side of the formula
is