attr_add: Add attributes from a list to a dataframe

In amp.dm: Data Management Tools for Pharmacometrics

Add attributes from a list to a dataframe

Description

This function adds data attributes available in a list to a data frame. Additional checks are done to verify if the attributes are in a valid and use-able format

Usage

attr_add(data, attrl, attrib = c("label", "format", "remark"), verbose = TRUE)

Arguments

data	the data frame for which the attributes should be set
attrl	named list with the attributes for the dataset (see details)
attrib	a vector of attributes that should be set for data (currently 'label', 'format' and 'remark' are applicable)
verbose	a logical indicating if datachecks should be printed to console

Details

This function adds attributes available in a list to a data frame. The structure of this list should be available in a specific format. The names items in the list are aligned with the variables in the data frame. For each item, the content of the 'label', 'format' and 'remark' elements will be added as attributes to the dataset. For an example of the format of list see for instance attr_xls.

Value

dataframe with the attributes added

Author(s)

Richard Hooijmaijers

See Also

attr_xls

Examples

xmpl   <- system.file("example/Attr.Template.xlsx",package = "amp.dm")
attrl  <- attr_xls(xmpl)
data   <- read.csv(system.file("example/NM.theoph.V1.csv",package = "amp.dm"), na.strings = ".")
attr_add(data,attrl) |> str()

amp.dm documentation built on March 13, 2026, 5:08 p.m.