invertingItems: invertItems

In ufs: A Collection of Utilities

invertItems

Description

Inverts items (as in, in a questionnaire), by calling invertItem on all relevant items.

Usage

invertItem(item, fullRange = NULL, ignorePreviousInversion = FALSE)

invertItems(dat, items = NULL, ...)

Arguments

item	The vector to invert.
fullRange	The full range; will otherwise be derived from the vector.
ignorePreviousInversion	Whether to avoid inverting items that were already inverted.
dat	The dataframe containing the variables to invert.
items	The names or indices of the variables to invert. If not supplied (i.e. NULL), all variables in the dataframe will be inverted.
...	Arguments (parameters) passed on to data.frame when recreating that after having used lapply.

Value

The dataframe with the specified items inverted.

Author(s)

Gjalt-Jorn Peters

Maintainer: Gjalt-Jorn Peters [e-mail]

See Also

invertItem

Examples

invertItems(mtcars, c('cyl'));

ufs documentation built on July 9, 2023, 6:07 p.m.