[Rd] (PR#9202) Re: Bugs with partial name matching
Martin Maechler
maechler at stat.math.ethz.ch
Wed Sep 6 09:27:44 CEST 2006
>>>>> "Anil" == Anil Maliyekkel <amaliy1 at uic.edu>
>>>>> on Tue, 5 Sep 2006 22:50:30 -0500 writes:
[...................]
[...................]
Anil> Going back to the original partial replacement
Anil> problem, is there anyway to turn off partial matching,
One way would be to use S4 classes (and '@') instead of lists
(and '$').
That has other advantages {?validObject; methods,..}, but also can be
a drawback to you since you need to know in advance
what "components" (called "slots" for S4 objects) your object
will be allowed to contain.
Anil> or to selectively apply exact matching when trying to
Anil> access a single element? I can get the desired single
Anil> element match using the convoluted syntax D["ABC"]
Anil> [[1]] and perform partial replacement operations on a
Anil> new column. However, it would be nice to have single
Anil> element access operator that does exact matching.
Anil> Anil
More information about the R-devel
mailing list