Re: [R] Using functions to change values in a data.frame

2009-06-30 Thread Duncan Murdoch
On 30/06/2009 7:13 PM, Mark Knecht wrote: On Tue, Jun 30, 2009 at 3:57 PM, Duncan Murdoch wrote: On 30/06/2009 6:47 PM, Mark Knecht wrote: I'm having trouble with something that looks easy. (And I'm sure it will be easier within about 1 minute of receiving my first response.) Thanks in advance.

Re: [R] Using functions to change values in a data.frame

2009-06-30 Thread Mark Knecht
On Tue, Jun 30, 2009 at 3:57 PM, Duncan Murdoch wrote: > On 30/06/2009 6:47 PM, Mark Knecht wrote: >> >> I'm having trouble with something that looks easy. (And I'm sure it >> will be easier within about 1 minute of receiving my first response.) >> Thanks in advance. >> >> I have a collection of da

Re: [R] Using functions to change values in a data.frame

2009-06-30 Thread Duncan Murdoch
On 30/06/2009 6:47 PM, Mark Knecht wrote: I'm having trouble with something that looks easy. (And I'm sure it will be easier within about 1 minute of receiving my first response.) Thanks in advance. I have a collection of data frames that I need to add columns, do some calculations and then fill

Re: [R] Using functions to change values in a data.frame

2009-06-30 Thread Uwe Ligges
Mark Knecht wrote: I'm having trouble with something that looks easy. (And I'm sure it will be easier within about 1 minute of receiving my first response.) Thanks in advance. I have a collection of data frames that I need to add columns, do some calculations and then fill in the new columns.