meta (version 8.1-0)

[.pairwise: Extract parts of pairwise object

Description

Auxiliary function to extract parts of pairwise object.

Usage

# S3 method for pairwise
[(x, ...)

Arguments

x

An object of class pairwise.

...

Additional arguments (passed on to [.data.frame).

Author

Guido Schwarzer

See Also

pairwise, subset.pairwise, dat.franchini2012

Examples

# Transform data from arm-based format to contrast-based format
pw1 <- 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)

pw1[, 1:5]
pw1[!grepl("Lieberman", pw1$studlab), 1:5]