subset.longarm {meta} | R Documentation |
Return subset of longarm object
Description
The subset
method returns a subset of a longarm object.
Usage
## S3 method for class 'longarm'
subset(x, subset, ...)
Arguments
x |
An object of class |
subset |
A logical expression indicating elements or rows to keep: missing values are taken as false. |
... |
Additional arguments. |
Value
A longarm
object is returned.
Author(s)
Guido Schwarzer guido.schwarzer@uniklinik-freiburg.de
See Also
Examples
# Transform data from wide 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)
# Transform data from contrast-based to long arm-based format
# and only keep the main variables
la1 <- longarm(pw1, append = FALSE)
head(la1)
# Subset without Lieberman studies
subset(la1, grepl("Lieberman", studlab))
[Package meta version 8.2-0 Index]