[R] maximum number of files to choose with tk_choose.files ?

2011-12-07 Thread cristabel.duran
Dear R-list, I am running a script in which I calculate and create new files from orginal ones. As I have a large number of files to process, I automatize this calculation with a loop. First, I am choosing the files to work with. This is done by using: Files <- if(interactive()) tk_choose.files(

Re: [R] coordinates from locator function in POSIXct format

2011-07-29 Thread cristabel.duran
Thanks David and Janis, now the result is logic! have a nice WE, Cristabel. On 07/29/2011 06:32 PM, David Winsemius wrote: On Jul 29, 2011, at 12:21 PM, cristabel.duran wrote: Hi Janis, thank you for you answer. Actually already I did exactly what you said. However, when I convert the

Re: [R] coordinates from locator function in POSIXct format

2011-07-29 Thread cristabel.duran
Hi Janis, thank you for you answer. Actually already I did exactly what you said. However, when I convert the number of "seconds" from the first measurement (some day in July 2010) then a I get a date in the year 2050 which is impossible. The latest date possible is 29March2011. my value in

[R] coordinates from locator function in POSIXct format

2011-07-29 Thread cristabel.duran
Dear R-list, I have a plot with y-axis corresponding to wind measurments and x-axis with date-time information. When I want to identify some extrem wind events in the wind-curve, I use locator() to get the exact date-information, by clicking in the points in graph I´m interested in. I get in the R