Grel to apply to ALL columns or current column
I have a transposition that I'd like to apply to multiple columns. The Grel generated shows the columnName or Base name, but that means I have to edit the code for each column. Thought there was a way to find the column index and have code that would apply to the "current" column, a list of columns by index or all columns. Specifically, I'd like to trim whitespaces and have 20+ columns. Explored foreach and row.index but can't find anything like column index.
Unfortunately multi-column operations are not supported by the current version of Refine.
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