Re: [R] creating a new column assigning values of other columns

2012-05-06 Thread Santiago Guallar
Guallar sgual...@yahoo.com Cc: r-help@r-project.org r-help@r-project.org Sent: Sunday, May 6, 2012 2:18 AM Subject: Re: [R] creating a new column assigning values of other columns Ba -- far too much work to recreate (and I don't think you sent us the file act.lig): here's a much better route

Re: [R] creating a new column assigning values of other columns

2012-05-06 Thread R. Michael Weylandt
- as.POSIXct( niga$nit, tz=GMT, format=%Y-%m-%d %H:%M:%S, origin=2007-06-19 ) From: R. Michael Weylandt michael.weyla...@gmail.com To: Santiago Guallar sgual...@yahoo.com Cc: r-help@r-project.org r-help@r-project.org Sent: Sunday, May 6, 2012 2:18 AM Subject: Re: [R] creating a new column

Re: [R] creating a new column assigning values of other columns

2012-05-06 Thread Santiago Guallar
: Sunday, May 6, 2012 3:13 PM Subject: Re: [R] creating a new column assigning values of other columns It looks like part of your problem is that some of your time/date variables are stored as factors rather than actual times / dates. Use str() to see which ones and try to convert those. You'll need

Re: [R] creating a new column assigning values of other columns

2012-05-05 Thread R. Michael Weylandt
Ba -- far too much work to recreate (and I don't think you sent us the file act.lig): here's a much better route: Go to the step immediately before you're in trouble and use dput() on your data. R will print out a nice plaintext representation that we can copy and paste and reproduce