group_by: Group a vectra query by columns
In vectra: Columnar Query Engine for Larger-than-RAM Data
View source: R/verbs_grouping.R
group_by R Documentation
Group a vectra query by columns
Description
Group a vectra query by columns
Usage
group_by(.data, ...)
Arguments
.data
A vectra_node object.
...
Grouping column names (unquoted).
Value
A vectra_node with grouping information stored.
Examples
f <- tempfile(fileext = ".vtr")
write_vtr(mtcars, f)
tbl(f) |> group_by(cyl) |> summarise(avg = mean(mpg)) |> collect()
unlink(f)
vectra documentation built on May 8, 2026, 9:06 a.m.
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View source: R/verbs_grouping.R
| group_by | R Documentation |
Group a vectra query by columns
Description
Group a vectra query by columns
Usage
group_by(.data, ...)
Arguments
.data |
A |
... |
Grouping column names (unquoted). |
Value
A vectra_node with grouping information stored.
Examples
f <- tempfile(fileext = ".vtr")
write_vtr(mtcars, f)
tbl(f) |> group_by(cyl) |> summarise(avg = mean(mpg)) |> collect()
unlink(f)
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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