overview {nullranges} | R Documentation

## Overview of matching quality

### Description

The overview function provides a quick assessment of overall matching quality by reporting the N, mean, and s.d. of focal, matched, pool, and unmatched sets for all covariates as well as the propensity scores ('ps'). The mean and s.d. difference in focal - matched is also reported.

### Usage

    overview(x, digits = 2, ...)

    ## S4 method for signature 'Matched,numeric_OR_missing'
    overview(x, digits)

### Arguments

`x` | Matched object
`digits` | Integer indicating the number of significant digits to be used. Negative values are allowed (see `?signif`).
`...` | Additional arguments.

### Details

Factor, character, or logical covariates are reported by N per set, rather than with mean and s.d.

### Value

- A printed overview of matching quality.

- (Internally) a `MatchedOverview` object.

### Examples

    set.seed(123)
    mdf <- makeExampleMatchedDataSet(matched = TRUE)
    overview(mdf)

[Package nullranges version 1.0.1 Index]