group_by mean in R only calculates one column when multiple columns specified

Description

When calling

or

the mean is only calculated for a single column.

According to the docs (https://h2o-release.s3.amazonaws.com/h2o/rel-vajda/1/docs-website/h2o-docs/data-munging/groupby.html) I would expect:

  • In the first case all columns except the column grouped upon get their mean calculated.

  • In the second case all columns specified get their mean calculated.

In the example below, I would expect the mean for all columns grouped by airport:

Assignee

Wendy

Fix versions

Reporter

Joseph Granados

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