2016
- New bar stacking with ggplot 2.2.0
- Crashkurs zur Erstellung von Barplots für Umfrage-Daten
- Some thoughts (and simulation) on overfitting
- Preparing and plotting survey results
- Horoskopstudie zum Barnumeffekt
- Some reflections on stochastic independence
- Bind lists to data frame for aggregating linear models results
- How to plot a 'percentage plot' with ggplot2
- Different ways to set figure size in RMarkdown
- CLES plot
- Checking for NA with dplyr
- Multiple ways to subsetting data frames in R
- How to read Github files into R easily
- Simple (R-)Markdown template for 'Onepager-reports' etc.
- Using purrr to build a data frame of vectors (eg., from effect size statistics)
- Summary for multiple variables using purrr
- EDIT: Running multiple simple regressions with purrr
- Running multiple simple regressions with purrr
- Code example for plotting boxplots instead of mean bars
- How to promote open science? Some practical recommendations
- Fallstudie zur explorative Datenanalyse beim Datensatz 'TopGear'
- Why Likert scales are (in general) not metric
- Why is SD(X) unequal to MAD(X)?
- Shading multiple areas under normal curve
- Plot of mean with exact numbers using ggplot2
- Simple way to plot a normal distribution with ggplot2
- Why absolute correlation value (r) cannot exceed 1. An intuition.
- The effect of a status symbol on success in online dating: an experimental study (data paper)
- Multiple t-Tests with dplyr
- Introduction to the measurement theory, and conjoint measurement theory
- Looping through dataframe columns using purrr::map()
- Intuition on correlation
- Practical data cleansing in R
- Yet another case study on data analysis (YACSDA) – extramarital affairs data set
- Why metric scale level cannot be taken for granted
- What to read in summer (German)
- Case study on data wrangling with dplyr (German)
- Intuition on Cohen's d
- How to add a logo to a slidify presentation
- Long vs. wide format, and gather()
- Cross-tabulate multiple variables
- Why have z-transformed values a mean of zero and a sd of 1?