Jim's points are well taken. I wonder if you might get greater
efficiency by examining the opportunities in the lattice or ggplot2
packages that allow specification of grouping variables. It might get
tedious creating all those micro-data.frames and might not really be
necessary.
From the
I am not sure what you are trying to assign a value to '200706183<-';
does not look like a valid object name. This should work:
x200706183<-subset(AllData, ID == 200706183)
Notice the use of the '==' for the logical compare.
On Thu, Apr 9, 2009 at 8:58 PM, Paul Warren Simonin
wrote:
> Hello,
>
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