Question: What does the R command split _ stock _ dataframe < - split ( stock _ dataframe, group ) do ? It combines several data

What does the R command split_stock_dataframe <- split(stock_dataframe, group) do?
It combines several data frames into stock_dataframe.
It assigns the group variable to stock_dataframe.
It creates a grouping variable in stock_dataframe.
It splits stock_dataframe into multiple data frames based on group.

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