search for: site1stage2

Displaying 2 results from an estimated 2 matches for "site1stage2".

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2006 Oct 13
3
multiply two matrixes with the different dimension column by column
...2","site3","site4","site5", "site6","site7"))) I would like to multiply first column of the "Y"matrix (site1) to the all of the columns in "X"matrix. Then, the product will be three new columns (for example:site1stage1, site1stage2 and site1stage3 or something like this) which I want to add to "Y"matrix. As my site (Y) dataset has too many columns, it'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...
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 -------------------------------------------------------------------------------- Majid Iravani PhD Student Swiss Federal Research Institute WSL Research Group of Vegetation Ecology Z?rcherstrasse 111