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artsy

aRtsy is an R package that implements algorithms for making generative art in a straightforward and standardized manner using 'ggplot2'.

bayesiannormalitycheck

An application to perform Bayesian normality checks based on my master thesis.

cheatsheets

RStudio Cheat Sheets

cirrusmaximus

Cirrus Maximus is an extension for your web browser that enables scraping and exporting data from the Cirrus online assessment platform.

digittests

digitTests is an R package providing statistical tests for detecting irregular digit patterns. The package is also implemented with a graphical user interface in the Audit module of JASP (www.jasp-stats.org), a free and open-source statistical software program.

genigma

Genigma is a generative puzzle book that offers unique puzzles and games every day.

jasp-desktop

JASP aims to be a complete statistical package for both Bayesian and Frequentist statistical methods, that is easy to use and familiar to users of SPSS

jaspaudit

The Audit module is developed to facilitate statistical auditing in both Bayesian and classical manifestations. The main feature is a workflow that helps guide auditors through the sampling process. Additionally, there are stand-alone analyses for planning, selecting, and evaluating a sample. The module is based on the R package jfa.

jaspbain

The BAIN Module

jaspirt

jaspirtstanmodels

jaspmachinelearning

The Machine Learning Module

jaspqualitycontrol

jfa

jfa is an R package that provides statistical methods for auditing. Its functionality and intended workflow are implemented with a graphical user interface in the Audit module of JASP (https://jasp-stats.org), a free and open-source software program for statistical analyses.

literaturenetworksapp

This repository contains the code for an R Shiny app to estimate co-occurrence and citation network based on a literature search. The methodology is described in the paper Derks, K., Burger, J., van Doorn, J., Kossakowski, J. J., Matzke, D., Atticciati, L., ... & Cordesius, E. P. (2018). Network Models to Organize a Dispersed Literature: The Case of Misunderstanding Analysis of Covariance. Journal of European Psychology Students, 9(1).

optimalforaging

A R Shiny application to simulate optimal foraging models and test such models on yourself.

rcityviews

rcityviews is a user-friendly R interface for creating stylized city maps using OpenStreetMap (www.openstreetmap.org) data, implemented as an R package and a Shiny web application.

rxaf

The 'rxaf' package provides functionalities to read and analyze Dutch XML Audit Files (XAF) in R. These files are commonly used in the Netherlands for financial and auditing purposes.

sasr

This is the source code for Statistical Audit Sampling with R (SASR), a (work in progress) book intended as a practical guide to Bayesian and classical auditing in the programming language R, with hands-on examples. Read the full book at https://koenderks.github.io/sasr.

sfb

An open-source workbook with R exercises for the Bachelor course Statistics for Business at Nyenrode Business University.

shinynetworks

This Shiny R application serves the purpose of visualizing and comparing various free-scale and random growing graphs. Application made as part of the TquanT 2018 seminar on quantitative thinking.