Hi all, I am attempting to run a script in which I permute my data and run a Wilcoxon rank sum test on the data 1000 times and compare my original test statistic to the permuted test statistics to more accurately estimate a significance level for the trends I am observing.
In the process of doing this, I need to sort a data frame that measures 3 x 1001 based on the value of the test statistic (W). I am trying to get the data in ascending order based on W. My data frame looks something like this: > W_table pds_gagehandles.i. p W W mibe 1 746 2 mibe 2 870.5 3 mibe 3 767 4 mibe 4 1066 5 mibe 5 885 6 mibe 6 931.5 7 mibe 7 765 8 mibe 8 930 9 mibe 9 696.5 10 mibe 10 711.5 11 mibe 11 1006 I am trying to sort it using the command: > W_table[order(W_table$W),], which is spitting out: pds_gagehandles.i. p W 11 mibe 11 1006 4 mibe 4 1066 9 mibe 9 696.5 10 mibe 10 711.5 W mibe 1 746 7 mibe 7 765 3 mibe 3 767 2 mibe 2 870.5 5 mibe 5 885 8 mibe 8 930 6 mibe 6 931.5 I want this data frame to have the values that are currently the first two as the last two, i.e. I need it in ascending order. I am thinking that I am having this problem because W is different lengths and ?order states the data should be "a sequence of numeric, complex, character or logical vectors, all of the same length, or a classed R object". Maybe because the values over 1000 have an extra digit R is seeing them as '100' for some reason? Does anyone know of another function I can use to accomplish this task or a way to work around this error? Thank you very much, Billy -- View this message in context: http://r.789695.n4.nabble.com/Sorting-a-data-frame-with-values-of-different-lengths-tp3579653p3579653.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
