Displaying 3 results from an estimated 3 matches for "iravani".
2006 Oct 12
3
Cross two dataframe
Dear r-users!
I would like to cross two data frame which have the same row number but
different in the number of column. Can anybody help me for this case ?
Thanks a lot in advance
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Majid Iravani
PhD Student
Swiss Federal Research Institute WSL
Research Group of Vegetation Ecology
Z?rcherstrasse 111 CH-8903 Birmensdorf Switzerland
Phone: +41-1-739-2693
Fax: +41-1-739-2215
Email: Majid.iravani at wsl.ch
http://www.wsl.ch/staff/majid.iravani/
2006 Oct 13
3
multiply two matrixes with the different dimension column by column
...39;s not easy to do it in Excel and I'm looking for a command in R
to prepare a new data frame for more analysis. So I would greatly
appreciate if anybody can help me in this case.
Thanks in advance
Majid
--------------------------------------------------------------------------------
Majid Iravani
PhD Student
Swiss Federal Research Institute WSL
Research Group of Vegetation Ecology
Z?rcherstrasse 111 CH-8903 Birmensdorf Switzerland
Phone: +41-1-739-2693
Fax: +41-1-739-2215
Email: Majid.iravani at wsl.ch
http://www.wsl.ch/staff/majid.iravani/
2007 Feb 01
2
How can I calculate conditional mean in a large dataset including date data
...f years. As the number of days in some months is different from others
I could not write appreciate command for this. Therefore I would greatly
appreciate if somebody can help me in this case
Thank you
Majid
--------------------------------------------------------------------------------
Majid Iravani
PhD Student
Swiss Federal Research Institute WSL
Research Group of Vegetation Ecology
Z?rcherstrasse 111 CH-8903 Birmensdorf Switzerland
Phone: +41-1-739-2693
Fax: +41-1-739-2215
Email: Majid.iravani at wsl.ch
http://www.wsl.ch/staff/majid.iravani/