Re: [R] Extraction and replacement of data in a data frame

2011-01-21 Thread michael.hopgood
Dear all, Thank you for the prompt responses. It is until today that I have managed to scrap together the time to develop my R-project further. In my free time, I have been reading various intro manuals, so I have a rough idea of what needs doing. Sometimes, though, putting it into practice is

[R] Extraction and replacement of data in a data frame

2011-01-17 Thread michael.hopgood
Dear R family, I am a relative newbie and have been dabbling with R for a little while. Simple things really, but my employers are beginning to see the benefits of using R instead of excel. We have a remote monitoring station measuring groundwater levels. We download the date as a .csv file and

[R] Manipulation

2011-01-17 Thread michael.hopgood
Dear R family, I am a relative newbie and have been dabbling with R for a little while. Simple things really, but my employers are beginning to see the benefits of using R instead of excel. We have a remote monitoring station measuring groundwater levels. We download the date as a .csv file and