reframe: Summarise with variable-length output per group
In vectra: Columnar Query Engine for Larger-than-RAM Data
reframe R Documentation
Summarise with variable-length output per group
Description
Like summarise() but allows expressions that return more than one row
per group. Currently implemented via collect() fallback.
Usage
reframe(.data, ...)
Arguments
.data
A vectra_node object.
...
Named expressions.
Value
A data.frame (not a lazy node).
Examples
f <- tempfile(fileext = ".vtr")
write_vtr(data.frame(g = c("a", "a", "b"), x = c(1, 2, 3)), f)
tbl(f) |> group_by(g) |> reframe(range_x = range(x))
unlink(f)
vectra documentation built on May 8, 2026, 9:06 a.m.
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| reframe | R Documentation |
Summarise with variable-length output per group
Description
Like summarise() but allows expressions that return more than one row
per group. Currently implemented via collect() fallback.
Usage
reframe(.data, ...)
Arguments
.data |
A |
... |
Named expressions. |
Value
A data.frame (not a lazy node).
Examples
f <- tempfile(fileext = ".vtr")
write_vtr(data.frame(g = c("a", "a", "b"), x = c(1, 2, 3)), f)
tbl(f) |> group_by(g) |> reframe(range_x = range(x))
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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