subsetMatches: Subset Matches
In nbpMatching: Functions for Optimal Non-Bipartite Matching

Description Usage Arguments Details Value Author(s) Examples

Remove unpaired or unnecessary matches.

1 2	subsetMatches(matches, phantom = TRUE, chameleon = TRUE, ghost = TRUE, infinite = TRUE, halvesOnly = TRUE)

`matches`	A nonbimatch object.
`phantom`	A logical value. Remove elements matched to phantom elements.
`chameleon`	A logical value. Remove elements matched to chameleon elements.
`ghost`	A logical value. Remove elements matched to ghost elements.
`infinite`	A logical value. Remove elements matched at infinite distance. This will include elements forced to match in spite of having an infinite distance set by the prevent option in `gendistance`.
`halvesOnly`	A logical value. Use halves element instead of matches.

Given a nonbimatch object, remove elements matched to phantoms, chameleons, or ghosts. Also remove pairs whose distance is infinite.

a data.frame

Cole Beck

df <- data.frame(id=LETTERS[1:25], val1=rnorm(25), val2=rnorm(25))
df.dist <- gendistance(df, idcol=1, ndiscard=4)
df.mdm <- distancematrix(df.dist)
df.match <- nonbimatch(df.mdm)
subsetMatches(df.match)
subsetMatches(df.match, halvesOnly=FALSE)
subsetMatches(df.match, phantom=FALSE)