nest: Nest rows into a list-column of tables
In basetable: Fast and Memory-Efficient Base R Table Manipulation
nest R Documentation
Nest rows into a list-column of tables
Description
nest() collapses the rows of each group into a data frame and stores those
data frames in a single list-column, giving one row per group. Groups appear
in order of first occurrence. Missing values in by form their own group.
Usage
nest(data, by, name = "data")
Arguments
data
A data frame.
by
Character vector of grouping columns.
name
Name of the new list-column.
Value
A basetable with the by columns and one list-column holding the
remaining columns of each group as a data frame.
See Also
unnest(), split()
Examples
nested <- nest(data.frame(g = c("a", "a", "b"), x = 1:3), by = "g")
nested
nested$data[[1]]
basetable documentation built on Nov. 14, 2026, 1:08 a.m.
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| nest | R Documentation |
Nest rows into a list-column of tables
Description
nest() collapses the rows of each group into a data frame and stores those
data frames in a single list-column, giving one row per group. Groups appear
in order of first occurrence. Missing values in by form their own group.
Usage
nest(data, by, name = "data")
Arguments
data |
A data frame. |
by |
Character vector of grouping columns. |
name |
Name of the new list-column. |
Value
A basetable with the by columns and one list-column holding the
remaining columns of each group as a data frame.
See Also
unnest(), split()
Examples
nested <- nest(data.frame(g = c("a", "a", "b"), x = 1:3), by = "g")
nested
nested$data[[1]]
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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