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R is a free, open-source programming language and software environment for statistical computing, bioinformatics, and graphics.

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Sorting column in dataframe in each group in R

order() is a way to sort data frames, that should have worked. Consider sharing the code used--perhaps it is just a usage issue. Another good way to sort if you're open to using to using data.table is …
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1 vote

How to assign a random number to multiple columns based on a condition in R?

Give this R function a 1 and it returns a vector of 5 integers each from 0-1 totaling 3, 4 or 5. Give it a 0 and it returns a vector of 5 integers each from 0-1 totaling 0, 1, or 2. …
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