subset.pairwise function

Return subset of pairwise object

The subset method returns a subset of a pairwise object.

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

Arguments

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

Returns

A pairwise object is returned.

Examples

# Transform data from arm-based format to contrast-based format
p1 <- pairwise(list(Treatment1, Treatment2, Treatment3),
  n = list(n1, n2, n3),
  mean = list(y1, y2, y3), sd = list(sd1, sd2, sd3),
  data = dat.franchini2012, studlab = Study)
# Subset without Lieberman studies
subset(p1, !grepl("Lieberman", studlab))[, 1:5]

See Also

pairwise, dat.franchini2012

Author(s)

Guido Schwarzer guido.schwarzer@uniklinik-freiburg.de