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leafarea
2007 Aug 14
4
Mann-Whitney U
...d someone please tell me how to perform a Mann-Whitney U test on a
dataset with 2 groups where one group has more data values than another?
I have split up my 2 groups into 2 columns in my .txt file i'm using with
R. Here is the code i have so far...
group1 <- c(LeafArea2)
group2 <- c(LeafArea1)
wilcox.test(group1, group2)
This code works for datasets with the same number of data values in each
column, but not when there is a different number of data values in one
column than another column of data.
Is the solution that i have to have a null value in the data column with
the fewer da...