[R] Testing for membership in an array of strings

2009-07-02 Thread Neil Tiffin
As an R beginner, I feel brain dead today as I can not find the answer to a relatively simple question. Given a array of string values, for example lets say mary, bob, danny, sue, and jane. I am trying to determine how to perform a logical test to determine if a variable is an exact

Re: [R] Testing for membership in an array of strings

2009-07-02 Thread Henrique Dallazuanna
Try this: c(mary, sue) %in% c(mary, bob, danny, sue,jane) On Thu, Jul 2, 2009 at 11:13 AM, Neil Tiffin ne...@neiltiffin.com wrote: As an R beginner, I feel brain dead today as I can not find the answer to a relatively simple question. Given a array of string values, for example lets say

Re: [R] Testing for membership in an array of strings

2009-07-02 Thread Marc Schwartz
On Jul 2, 2009, at 9:13 AM, Neil Tiffin wrote: As an R beginner, I feel brain dead today as I can not find the answer to a relatively simple question. Given a array of string values, for example lets say mary, bob, danny, sue, and jane. I am trying to determine how to perform a logical

Re: [R] Testing for membership in an array of strings

2009-07-02 Thread Neil Tiffin
Worked like a champ. Thank you. Neil On Jul 2, 2009, at 9:20 AM, Henrique Dallazuanna wrote: Try this: c(mary, sue) %in% c(mary, bob, danny, sue,jane) On Thu, Jul 2, 2009 at 11:13 AM, Neil Tiffin ne...@neiltiffin.com wrote: As an R beginner, I feel brain dead today as I can not find

Re: [R] Testing for membership in an array of strings

2009-07-02 Thread Dirk Eddelbuettel
On 2 July 2009 at 09:13, Neil Tiffin wrote: | Given a array of string values, for example lets say mary, bob, | danny, sue, and jane. | | I am trying to determine how to perform a logical test to determine if | a variable is an exact match for one of the string values in the array | when