Changing all column names of a dataframe with the same bit of string

Question

How can I change all column or variable names in a data frame (or data.table), i just want to add the string "par" to each column name (seperated by underscore) how can i (use paste() to) do this?

user3640617 · Accepted Answer · 2017-09-16T14:07:55.417

3

For a data.frame named df:

colnames(df) <- paste0(colnames(df), ("_par"))

edited Sep 16 '17 at 14:07

answered Sep 16 '17 at 13:58

user3640617

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Changing all column names of a dataframe with the same bit of string

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