Chris ChapmanProquantuxblog.com·Nov 28, 2023Data inspection and modeling for counts, Part 2In Part 1 of this two-part post, I reviewed how to analyze counts (frequencies) in R. Part 1 explained how counts follow a (roughly) log-normal distribution and showed how to do Poisson regression for counts data in R. In this post, I apply the same ...Discuss·129 readsR Language postsquantux
Chris ChapmanProquantuxblog.com·Nov 18, 2023Data inspection and modeling for counts, Part 1A common type of data Quant UXRs encounter is counts (frequencies). This post shows a simple but real example, demonstrating how I explore and analyze such data. First of all, what are counts data? They are positive integers (including zero) that cou...Discuss·3 likes·293 readsquantux
Chris ChapmanProquantuxblog.com·Oct 31, 2023Multidimensional Sentiment Analysis (Part 1)For the Quant UX book, Kerry Rodden and I considered writing a chapter on sentiment analysis. Ultimately we decided against it. The topic was too complex and needs almost an entire book in itself. We realized that an introductory chapter would need t...Discuss·1 like·218 readsR Language postsquantux
Chris ChapmanProquantuxblog.com·Oct 20, 2023FeaturedSkills Combination for Quant UX ApplicationsIn this post, I outline 4 crucial areas for Quant UX applications (I'll call them "3.5 skills" for reasons to be noted). Then I address a reader's question about how to show the combination of skills during an application process. The general areas a...Discuss·14 likes·733 readsquantux
Chris ChapmanProquantuxblog.com·Oct 14, 2023Convergent and Discriminant ValidityI've seen several examples lately where there was almost no thought given to the validity of methods in research projects. This post looks at the question from a non-technical perspective. A common pattern for research results in industry is, "We did...Discuss·292 readsquantux
Chris ChapmanProquantuxblog.com·Oct 11, 2023Easy MaxDiff in R[Do you already know what MaxDiff is, and can you find your way around in R? You could skip to the end and find a big code block with everything you need.] MaxDiff is the combination of a survey method and statistical estimation process to determine ...Discuss·4 likes·1.1K readsR Language postsquantux
Chris ChapmanProquantuxblog.com·Oct 7, 2023FeaturedWe're far from AGI(I'll start with a huge thank you to Joe Paxton at Google, for discussions about the topics here. Not that Joe agrees about everything, but I enjoy the conversation!) Although I've worked mostly in Tech, I'm a psychologist and philosopher. I have a ...Discuss·21 likes·480 readsAI and LLM Postsquantux
Posi Oretadeposioretade.hashnode.dev·Oct 1, 2023A Study on the New York Times App Redesign.In my last article, I stated that nowadays, we spend a significant amount of time navigating websites and apps and how we rely on these platforms to meet our needs efficiently. The same was the case with the New York Times app except in this case, th...Discuss·20 likes#Ux research
Chris ChapmanProquantuxblog.com·Oct 2, 2023Start Thinking about Quant UX Con 2024I have a short post today. Are you on the email list for Quant UX Con? June 26-27, 2024. (You are if you've ever registered, attended, or received email from the conference). If not, consider signing up: https://lp.constantcontactpages.com/su/snb5u9F...Discuss·53 readsquantux
Motunrayo Atinukejusttech.hashnode.dev·Sep 30, 2023The Design Thinking Process Approach by Johnny Vino and His TeamThis case study shows that the team applied all the stages of the design thinking process to tackle the problem. Here are the major things I learned from this case study. The User-centric Approach This case study shows the team’s demonstration of em...Discussuxresearch
