Aleš Vomáčka
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Gender Differences in Course Evaluations in Humanities

In this post, we will explore gender differences in teacher evaluations at the faculty of arts, Charles university in Prague.

In academia, there has been a long standing discussion on gender biases in lecturer ratings done by students.…
Apr 9, 2023

What Makes a Democracy (According to Europeans)?

In this post, we’ll look into how much Europeans agree on the impartance of various aspects of democracy, using multilevel models and data from the European Social Surey..

We will need several packages to do all our work. Good {tidyverse} for data wrangling and visualization, {brms} for bayesian model fitting, {tidybayes} for model…
Apr 7, 2023

The Witcher in Data II: Sentiment Analysis

The second part of the Witcher text analysis series, where we look into a simple sentiment analysis using the tidytext package.

This is a follow-up to my first post on the Witcher…
Aug 9, 2022

The Witcher in Data I: Text into Data

The first part in of The Witcher text analysis series. Before any fancy analysis can be done, we need to prepare and clean the text data with the help of tidytext, rvest and hunspell packages.

As a big Witcher fan, I have a habit of rereading all the books during the summer. Recently, I have also become interested in text mining techniques, such as topic modeling…
Jul 3, 2022
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