Re: [R] lower/upper case question

2010-12-20 Thread Bos, Roger
toupper() and tolower() -Original Message- From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] On Behalf Of Erin Hodgess Sent: Friday, December 17, 2010 4:10 PM To: R help Subject: [R] lower/upper case question Dear R People: Is there a function to convert

[R] lower/upper case question

2010-12-17 Thread Erin Hodgess
Dear R People: Is there a function to convert a character string to all uppercase or all lowercase please? I'm sure that I've used one before but I'm drawing a blank. Thanks, Erin -- Erin Hodgess Associate Professor Department of Computer and Mathematical Sciences University of Houston -

Re: [R] lower/upper case question

2010-12-17 Thread Greg Snow
] On Behalf Of Erin Hodgess Sent: Friday, December 17, 2010 2:10 PM To: R help Subject: [R] lower/upper case question Dear R People: Is there a function to convert a character string to all uppercase or all lowercase please? I'm sure that I've used one before but I'm drawing a blank. Thanks

Re: [R] lower/upper case question

2010-12-17 Thread William Dunlap
; R help Subject: Re: [R] lower/upper case question See ?toupper for the toupper, tolower, chartr, and casefold functions. -- Gregory (Greg) L. Snow Ph.D. Statistical Data Center Intermountain Healthcare greg.s...@imail.org 801.408.8111 -Original Message- From: r-help

Re: [R] lower/upper case question

2010-12-17 Thread Gabor Grothendieck
On Fri, Dec 17, 2010 at 4:38 PM, William Dunlap wdun...@tibco.com wrote: Also, gsub() can change the case of part a string -- use perl=TRUE and \\U or \\L (and perhaps \\E) in the replacement string.  E.g., capitalize color names with   gsub(paste(sep=, (, paste(colors(),collapse=|), )),