subset.pairwise: Return subset of pairwise object

In meta: General Package for Meta-Analysis

Return subset of pairwise object

Description

The subset method returns a subset of a pairwise object.

Usage

## S3 method for class 'pairwise'
subset(x, subset, ...)

Arguments

x	An object of class pairwise.
subset	A logical expression indicating elements or rows to keep: missing values are taken as false.
...	Additional arguments.

Value

A pairwise object is returned.

Author(s)

Guido Schwarzer [e-mail]

See Also

pairwise

Examples

## Not run: 
# Transform data from arm-based format to contrast-based format
data(Franchini2012, package = "netmeta")
p1 <- pairwise(list(Treatment1, Treatment2, Treatment3),
  n = list(n1, n2, n3),
  mean = list(y1, y2, y3), sd = list(sd1, sd2, sd3),
  data = Franchini2012, studlab = Study)
p1[, 1:5]

# Subset without Lieberman studies
subset(p1, !grepl("Lieberman", studlab))[, 1:5]

## End(Not run)

meta documentation built on Oct. 31, 2024, 5:07 p.m.