partition_tables: Partition as set of tables into a list.

In WinVector/wrapr: Wrap R Tools for Debugging and Parametric Programming

Partition as set of tables into a list.

Description

Partition a set of tables into a list of sets of tables. Note: removes rownames.

Usage

partition_tables(
  tables_used,
  partition_column,
  ...,
  source_usage = NULL,
  source_limit = NULL,
  tables = NULL,
  env = NULL
)

Arguments

tables_used	character, names of tables to look for.
partition_column	character, name of column to partition by (tables should not have NAs in this column).
...	force later arguments to bind by name.
source_usage	optional named map from tables_used names to sets of columns used.
source_limit	optional numeric scalar limit on rows wanted every source.
tables	named map from tables_used names to data.frames.
env	environment to also look for tables named by tables_used

Value

list of names maps of data.frames partitioned by partition_column.

See Also

execute_parallel

Examples

d1 <- data.frame(a = 1:5, g = c(1, 1, 2, 2, 2))
d2 <- data.frame(x = 1:3, g = 1:3)
d3 <- data.frame(y = 1)
partition_tables(c("d1", "d2", "d3"), "g", tables = list(d1 = d1, d2 = d2, d3 = d3))

WinVector/wrapr documentation built on Aug. 29, 2023, 4:51 a.m.