search for: lodeiro

Hi I have the following columns with dates and results, sorted by subject and date. I'd like to compute the differences in dates and results for each patient, based on the previous row. Obviously the last entry for each subject should be a NA. Which would be the best way to accomplished that ? I guess questions like that have been already answered a thousand times, so I apologize for

A couple of days ago I set up my printer on my FreeBSD server and set it up so I could print from my FreeBSD client. This all works very well, printing from botht the server and the FBSD client. However, I also have samba set up for file serving with an XP box. I have been trying for quite some time now to set samba up to enable me to print from the XP client. My situation at the moment is that