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Unstack a column from a data frame and include additional variables.

Source: R/Stack.R
Unstack.Rd

Unstack a column from a data frame and include additional variables.

Usage

Unstack(
  data,
  mainVar = 1,
  stackVar = (1:NCOL(data))[-mainVar],
  extraVar = integer(0),
  blockVar = integer(0),
  sep = "_",
  returnRowData = TRUE,
  sorted = FALSE
)

Arguments

data

A data frame

mainVar

Index of the variable to be unstacked

stackVar

Index of variables defining the unstack grouping

extraVar

Indices of within-replicated variables to be added to the rowData output

blockVar

Indices of between-replicated variables to be added to the data output

sep

A character string to separate when creating variable names

returnRowData

When FALSE output is no list, but only data

sorted

When TRUE the created variables is in sorted order. Otherwise input order is used.

Value

When returnRowData=TRUE output is list of two elements.

data

Unstacked data

rowData

A separate data frame with one row for each unstack grouping composed of the stackVar variables

See also

Stack (examples)

Author

Øyvind Langsrud