dt_keybin_reshape: Long to wide key-value reshaping

In egenn/rtemis: Machine Learning and Visualization

Long to wide key-value reshaping

Description

Reshape a long format data.table using key-value pairs with data.table::dcast

Usage

dt_keybin_reshape(
  x,
  id_name,
  key_name,
  positive = 1,
  negative = 0,
  xname = NULL,
  verbosity = 1L
)

Arguments

x	data.table object.
id_name	Character: Name of column in x that defines the IDs identifying individual rows.
key_name	Character: Name of column in x that holds the key.
positive	Numeric or Character: Used to fill id ~ key combination present in the long format input x.
negative	Numeric or Character: Used to fill id ~ key combination NOT present in the long format input x.
xname	Character: Name of x to be used in messages.
verbosity	Integer: Verbosity level.

Value

data.table in wide format.

Author(s)

EDG

Examples

## Not run: 
x <- data.table(
  ID = rep(1:3, each = 2),
  Dx = c("A", "C", "B", "C", "D", "A")
)
dt_keybin_reshape(x, id_name = "ID", key_name = "Dx")

## End(Not run)

egenn/rtemis documentation built on June 14, 2025, 11:54 p.m.