mitml (version 0.4-5)

as.mitml.list: Convert a list of data sets to mitml.list

Description

This function adds a mitml.list class attribute to a list of data frames. The resulting object can be used in further analyses.

Usage

as.mitml.list(x)

Value

The original list with an additional class attribute mitml.list. The list entries are converted into a data.frame if necessary, in which case a note is printed.

Arguments

x

A list of data frames.

Author

Simon Grund

See Also

is.mitml.list, long2mitml.list

Examples

# data frame with 'imputation' indicator
dat <- data.frame(imputation = rep(1:10, each = 20), x = rnorm(200))

# split into a list and convert to 'mitml.list'
l <- split(dat, dat$imputation)
l <- as.mitml.list(l)

is.mitml.list(l)
# TRUE