separate: Separate an editset into its disconnected blocks and simplify

In editrules: Parsing, Applying, and Manipulating Data Cleaning Rules

Separate an editset into its disconnected blocks and simplify

Description

The input edits are separated into disjunct blocks, and simplified to editmatrix or editarray where possible. Remaining editsets are separated into disjunct editlists.

Usage

separate(E)

Arguments

E	An editset

Value

A list where each element is either an editmatrix, an editarray or an object of class editlist which cannot be simplified further.

References

M. van der Loo and De Jonge, E. (2012). Manipulation of conditional restrictions and error localization with the editrules package. Discussion paper 2012xx, Statistics Netherlands, The Hague (included with the package).

See Also

blocks, disjunct, condition

Examples

E <- editset(expression(
    x + y == z,
    2*u  + 0.5*v == 3*w,
    w >= 0,
    if ( x > 0 ) y > 0,
    x >= 0,
    y >= 0,
    z >= 0,
    A %in% letters[1:4],
    B %in% letters[1:4],
    C %in% c(TRUE,FALSE),
    D %in% letters[5:8],
    if ( A %in% c('a','b') ) y > 0,
    if ( A == 'c' ) B %in% letters[1:3],
    if ( !C == TRUE) D %in% c('e','f')
))

(L <- separate(E))

sapply(L,class)

editrules documentation built on June 22, 2024, 12:21 p.m.