scan (version 0.53)

subset.scdf: Subset cases, rows, and variables

Description

Subset cases, rows, and variables

Usage

# S3 method for scdf
subset(x, filter, select, cases, ...)

Arguments

x

An scdf object.

filter

Logical expression indicating rows to keep: missing values are taken as false.

select

Expression, indicating columns to select from an scdf.

cases

Expression, indicating cases to keep from an scdf.

...

[not implemented]

Value

An scdf.

Examples

# NOT RUN {
subset(exampleAB, (values < 60 & phase == "A") | (values >= 60 & phase == "B"))
subset(exampleAB_add, select = c(-cigarrets, -depression))
subset(exampleAB, cases = c(Karolina, Johanna))
subset(exampleA1B1A2B2, phase %in% c("A1", "B2"), cases = Pawel:Moritz)
# }