On 02/07/2008 7:27 PM, Tom Murray wrote:
Hello,
I am trying to construct a logical expression dynamically, for use in the
subset() function. I am puzzled by problems with the code that follows
below.
Probably there's an easier way to select rows of a data frame according to
some dynamic criteri
Hello,
I am trying to construct a logical expression dynamically, for use in the
subset() function. I am puzzled by problems with the code that follows
below.
Probably there's an easier way to select rows of a data frame according to
some dynamic criteria--and I'd love to hear about it--but I'd a
