On Wed, 19 Dec 2007, Prof Brian Ripley wrote:
It transpires that package survey relies on the current behaviour (which is not new in 2.6.1: R 2.0.0 did it). The suggested fix is reasonable if 'data' was originally a data frame, but the default method promotes vectors to data frames, and the data frame method used to drop them back to vectors. I've backed the fix out of R-patched. I am not sure if the current undocumented behaviour on vectors is 100% desirable, but will amend by.default in R-devel to preserve it. Thomas: I think svymean() needs not to assume that 1-column data frames will be dropped.
Ok. I think that actually simplifies some things. I hope to have some time next week to catch up on a number of package issues. -thomas Thomas Lumley Assoc. Professor, Biostatistics tlumley at u.washington.edu University of Washington, Seattle