Search Results for: text

Text Mining: Shirin’s Twitter Feed

Text mining and analytics, natural language processing, and topic modelling have definitely become sort of an obsession of mine. I am just amazed by the insights one can retrieve from textual information, and with the ever increasing amounts of unstructured data on the internet, recreational analysts are coming up with the most amazing text mining … Continue reading Text Mining: Shirin’s Twitter Feed

TACIT: An open-source Text Analysis, Crawling, and Interpretation Tool

Click here for the original PDF: TACIT 2017 The first programs for (scientific) text mining are already over 50 years old. More recent efforts, such as the Linguistic Inquiry Word Count (LIWC; Tausczik & Pennebaker, 2010), have greatly improved our text analytical capabilities. Moreover, several single-purpose programs have been developed, which also consider syntactic text structures … Continue reading TACIT: An open-source Text Analysis, Crawling, and Interpretation Tool

10 Tips for Effective Dashboard Design by Deloitte

10 Tips for Effective Dashboard Design by Deloitte

My colleague prof. Jack van Wijk pointed me towards these great guidelines by Deloitte on how to design an effective dashboard. Some of these rules are more generally applicable to data visualization. Yet, the Deloitte 10 commandments form a good checklist when designing a dashboard. Here’s my interpretation of the 10 rules: Know your message … Continue reading 10 Tips for Effective Dashboard Design by Deloitte

10 Guidelines to Better Table Design

10 Guidelines to Better Table Design

Jon Schwabisch recently proposed ten guidelines for better table design. Next to the academic paper, Jon shared his recommendations in a Twitter thread. Let me summarize them for you: Right-align your numbers Left-align your texts Use decimals appropriately (one or two is often enough) Display units (e.g., $, %) sparsely (e.g., only on first row) … Continue reading 10 Guidelines to Better Table Design

Book tip: On the Clock

Book tip: On the Clock

Suppose you operate a warehouse where workers work 11-hour shifts. In order to meet your productivity KPIs, a significant number of them need to take painkillers multiple times per shift. Do you… Decrease or change the KPI (goals) Make shifts shorter Increase the number or duration of breaks Increase the medical staff Install vending machines … Continue reading Book tip: On the Clock

Create a publication-ready correlation matrix, with significance levels, in R

Create a publication-ready correlation matrix, with significance levels, in R

In most (observational) research papers you read, you will probably run into a correlation matrix. Often it looks something like this: In Social Sciences, like Psychology, researchers like to denote the statistical significance levels of the correlation coefficients, often using asterisks (i.e., *). Then the table will look more like this: Regardless of my personal … Continue reading Create a publication-ready correlation matrix, with significance levels, in R