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optmatch (version 0.8-3)

Functions for optimal matching

Description

Functions for optimal matching, including full matching

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Version

Install

install.packages('optmatch')

Monthly Downloads

6,365

Version

0.8-3

License

file LICENSE

Maintainer

Mark Fredrickson

Last Published

May 16th, 2013

Functions in optmatch (0.8-3)

plantdist

Dissimilarities of Some U.S. Nuclear Plants
matched.distances

Determine distances between matched units
getMaxProblemSize

(Internal) What is the maximum allowed problem size?
nuclearplants

Nuclear Power Station Construction Data
scoreCaliper

(Internal) Helper function to create an InfinitySparseMatrix from a set of scores, a treatment indicator, and a caliper width.
makeInfinitySparseMatrix

(Internal) Creating sparse matching problems
subproblemSuccess

(Internal) Report successful subproblems.
pairmatch

Optimal 1:1 and 1:k matching
matched

Identification of units placed into matched sets
relaxinfo

Display license information about embedded code
optmatch-defunct

Functions deprecated or removed from optmatch
minExactMatch

Find the minimal exact match factors that will be feasible.
fmla2treatedblocking

(Internal) A helper function to turn formulas into treatment and blocking variables
mdist

Create matching distances
caliper

Prepare matching distances suitable for matching within calipers.
validDistanceSpecification

(Internal) Validate that objects are valid distance specifications.
caliperUpperBound

(Internal) Returns a reasonable upper bound on the arcs remaining after placing a caliper.
effectiveSampleSize

(Internal) Compute the effective sample size of a match.
fullmatch

Optimal full matching
setFeasibilityConstants

(Internal) Sets up the default values for maximum feasible problems
exactMatch-methods

Generate an exact matching set of subproblems
stratumStructure

Return structure of matched sets
makeOptmatch

(Internal) Create optmatch objects, the result of matching.
caliperSize

(Internal) Determines how many other units fall within a caliper distance
match_on

Create treated to control distances for matching problems
maxCaliper

Find the maximum caliper width that will create a feasible problem.
optmatch

Optmatch Class
minControlsCap

Set thinning and thickening caps for full matching