# Propensity Score Matching of Non-Binary Treatments

## Documentation for package ‘TriMatch’ version 1.0.0

- DESCRIPTION file.
- User guides, package vignettes and other documentation.
- Code demos. Use demo() to run them.
- Package NEWS.

## Help Pages

TriMatch-package | Propensity Score Analysis for Non-Binary Treatments
as.data.frame.list | Convert a list of vectors to a data frame.
balance.plot | Balance plot for the given covariate.
boxdiff.plot | Returns a 'ggplot2' box plot of the differences.
covariateBalance | Calculate covariate effect size differences before and after stratification.
data.frame.to.list | Convert a list of vectors to a data frame.
distance.euclid | Euclidean distance calculation.
distances.plot | Barplot for the sum of distances.
loess3.plot | Loess plot for matched triplets.
maximumTreat | This method will return at least one treatment from groups one and two within the caliper.
merge.triangle.matches | Merges outcomes with the matched set.
merge.triangle.psa | Merges covariate(s) with the results of [trips()].
multibalance.plot | Multiple covariate balance assessment plot.
nmes | Results from the 1987 National Medical Expenditure Study
OneToN | This method will use a M1-to-M2-to-1 matching.
parallel.plot | Parallel coordinate plot for the three groups and dependent variable.
perpPt | Internal method for plotting. Finds a point d distance from x, y
plot.balance.plots | Prints a grid of balance plots.
plot.triangle.matches | Triangle plot drawing matched triplets.
plot.triangle.psa | Triangle plot.
print.balance.plots | Print the results of [balance.plot()] for a data frame of covariates.
print.triangle.plot | Print method for [plot.triangle.psa()]. The primary purpose is to suppress the "Removed n rows containing missing values" warning printed by 'ggplot2'.
print.trimatch.summary | Prints the results of [summary.triangle.matches()].
segment1 | Internal method for plotting. Position along the left side segment
segment2 | Internal method for plotting. Position along the right side segment
star | Returns significance level.
summary.balance.plots | Prints a summary table of the test statistics of each balance plot.
summary.triangle.matches | Provides a summary of the matched triplets including analysis of outcome measure if provided.
summary.triangle.psa | Prints the summary results of the logistic regression models.
summary.unmatched | Provides a summary of unmatched subjects.
TriMatch | Propensity Score Analysis for Non-Binary Treatments
trimatch | Creates matched triplets.
trimatch.apply2 | Recursive function to find possible matched triplets using the apply functions.
trips | Estimates propensity scores for three groups
tutoring | Results from a study examining the effects of tutoring services on course grades.
unmatched | Returns rows from [trips()] that were not matched by [trimatch()].