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

A collection of procedures for analysing, visualising, and managing single-case data. These include regression models (multilevel, multivariate, bayesian), between case smd, overlap indices ('PND', 'PEM', 'PAND', 'PET', 'tau-u', 'IRD', 'baseline corrected tau', 'CDC'), and randomization tests. Data preparation functions support outlier detection, handling missing values, scaling, and custom transformations. An export function helps to generate html, word, and latex tables in a publication friendly style. A shiny app allows to use scan in a graphical userinterface. More details can be found in the online book 'Analyzing single-case data with R and scan', Juergen Wilbert (2025) https://jazznbass.github.io/scan-Book/.

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Install

install.packages('scan')

Monthly Downloads

425

Version

0.66.0

License

GPL (>= 3)

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Repository

https://github.com/jazznbass/scan/

Homepage

https://jazznbass.github.io/scan-Book/

Maintainer

Juergen Wilbert

Last Published

September 2nd, 2025

Functions in scan (0.66.0)

scdf objects Removes any row with a missing value

Export scan objects to html or latex

Import scdf – RStudio Addin

scdf objects Tests for objects of type "scdf"

Multivariate Piecewise linear model / piecewise regression

Single-case example data

IRD - Improvement rate difference

Hierarchical piecewise linear model / piecewise regression

Fetches elements from scan objects Getter function for scan objects

Replacing missing measurement times in single-case data

Overlap indices for single-case data

Piecewise linear model / piecewise regression

Nonoverlap of all Pairs

Percent exceeding the median

Plot random distribution

Percent exceeding the trend

(Deprecated) Plot single-case data

Percentage of all non-overlapping data

Handling outliers in single-case data

Empirical power analysis for single-case data

Rescales values of an scdf file

Percentage of non-overlapping data

Randomization Tests for single-case data

Load single-case data from files

(Deprecated) Rank-transformation of single-case data files

Print methods for scan objects

Reliable change index

Single-case data generator

Set analysis variables in an scdf

Select and combine phases for overlap analyses

Select a subset of cases

Single case data frame

Samples random names

Shift values in a single-case data file

Set and get scdf attributes

Standardized mean differences

A Shiny app for scan

Single-Case Data Analyses

Trend analysis for single-cases data

Standardize values of an scdf file

(Deprecated) Create styles for single-case data plots

Tau-U for single-case data

Summary function for an scdf

Transform every single case of a single case data frame

Subset cases, rows, and variables

Truncate single-case data

Smoothing single-case data

ANOVA Table for Piecewise Linear Models

Bayesian Piecewise Linear Model

as.data.frame.scdf

Creating a long format data frame from several single-case data frames (scdf).

add_dummy_variables

Add Dummy Variables for Piecewise Linear Models

Between-Case Standardized Mean Difference

Apply a function to each element in an scdf.

Autocorrelation for single-case data

Add level-2 data

estimate_design

Estimate single-case design

deprecated-functions

List of old deprecated function names

Extract coefficients from plm/hplm objects

Baseline corrected tau

Descriptive statistics for single-case data

Combine single-case data frames

Dummy function to inherit global descriptions of parameters

Generate a single-case design matrix

Conservative Dual-Criterion Method