> *De :* Aseem Bansal <asmbans...@gmail.com>
> *Envoyé :* lundi 24 juillet 2017 13:34
> *À :* user
> *Objet :* Is there a difference between these aggregations
>
> If I want to aggregate mean and subtract from my column I can do either of
> the following in Spark 2.
mean and avg functions.
De : Aseem Bansal <asmbans...@gmail.com>
Envoyé : lundi 24 juillet 2017 13:34
À : user
Objet : Is there a difference between these aggregations
If I want to aggregate mean and subtract from my column I can do either of the
fol
If I want to aggregate mean and subtract from my column I can do either of
the following in Spark 2.1.0 Java API. Is there any difference between
these? Couldn't find anything from reading the docs.
dataset.select(mean("mycol"))
dataset.agg(mean("mycol"))
dataset.select(avg("mycol"))
