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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

)

?

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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