Make as.factor an S3 generic?
On 04/20/2011 10:13 AM, William Dunlap wrote:
-----Original Message----- From: r-devel-bounces at r-project.org [mailto:r-devel-bounces at r-project.org] On Behalf Of Martin Morgan Sent: Wednesday, April 20, 2011 9:56 AM To: R-devel at r-project.org Subject: [Rd] Make as.factor an S3 generic? as.factor / as.ordered is not written as a generic. This differs from as.numeric, as.matrix, and other as.*. The following seems to address this and does not break make check-all.
Why did you decide to make as.factor() generic instead of factor()?
Hi Bill -- short-sighted consistency with other as.*; implied simplicity of coercion rather than construction. Martin
Bill Dunlap Spotfire, TIBCO Software wdunlap tibco.com
Computational Biology Fred Hutchinson Cancer Research Center 1100 Fairview Ave. N. PO Box 19024 Seattle, WA 98109 Location: M1-B861 Telephone: 206 667-2793