![]() ![]() ![]() For example, if creating the dataframe required querying a snowflake database. I have often seen people fall into this case if creating the dataframe is an expensive task. Not all the columns have to be renamed: df = df.rename(columns=, inplace=True)Īlternatively, there are cases where you want to preserve the original dataframe. rename_with ( iris, ~ paste0 ( "prefix_". ![]() x), starts_with("nonexistent")) : #> `.fn` must return a vector of length 0, not 1. x ), starts_with ( "nonexistent" ) ) ) #> Error in rename_with(iris, ~paste0("prefix_".
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