describe: Descriptive statistics for single-case data

In scan: Single-Case Data Analyses for Single and Multiple Baseline Designs

Descriptive statistics for single-case data

Description

The describe() function provides common descriptive statistics for single-case data.

Usage

describe(data, dvar, pvar, mvar)

Arguments

data	A single-case data frame. See scdf() to learn about this format.
dvar	Character string with the name of the dependent variable. Defaults to the attributes in the scdf file.
pvar	Character string with the name of the phase variable. Defaults to the attributes in the scdf file.
mvar	Character string with the name of the measurement time variable. Defaults to the attributes in the scdf file.

Details

It computes the number of measurements, number of missing values, mean, median, standard deviation, median average deviation, minimum, maximum, and trend (slope of dependent variable regressed on measurement-time) for each phase of each single-case included in an scdf.

n = number of measurements; mis = number of missing vaues; m = mean; md = median; sd = standard deviation; mad = median average deviation; min = minimum; max = maximum; trend = weight of depended variable regressed on time (values ~ mt).

Value

A list containing a data frame of descriptive statistics (descriptives); the cse design (design); the number of cases (N).

Author(s)

Juergen Wilbert

See Also

overlap(), plot.scdf()

Examples

## Descriptive statistics for a study of three single-cases
describe(Grosche2011)

## Descriptives of a three phase design
describe(exampleABC)

## Write descriptive statistics to .csv-file
study <- describe(Waddell2011)
write.csv(study$descriptives, file = tempfile())

scan documentation built on April 1, 2026, 9:06 a.m.