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Hi, Say I have dataframes d1, d2, ... , dn, and I want to apply a function to all of them. For example, say I want to change the name of the second variable in each dataframe to "x2". The following doesn...
Hi, This concerns lrm in the Design package, which I need for the clustered errors option with panel data. I have created a variable (using sign()) that has values -1, 0, and 1 (and some NAs). call this variable x3...
Hi, In barplot(height, col = ...), the col = vector recycles so that the same colors are used for each bar. I would like to use different colors in different bars (corresponding to another piece of information, here, the region of the...
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