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Even attorneys without a background in statistics can effectively vet the general concepts of a statistical analysis by asking targeted questions and can thereby reinforce the cre...
We ran this a few years ago but it remains interesting so I’m reposting: There’s a old saying in biology that the development of the organism recapitulates the development of the s...
TL;DR: Descriptive vs. Inferential Statistics compares two key approaches: descriptive statistics summarize and present data (mean, median, charts), while inferential statistics us...
TL;DR Survey data analysis turns raw responses into patterns you can act on. It covers both quantitative data (scores, scales, multiple choice) and qualitative data (open-ended...
The Data Analyst’s Guide to  Statistical Coefficients Table of Contents What Are Coefficients? Regression Coefficient Coefficient of Determination (R²) Coefficient of...
Three weeks ago we modeled vote choice with candidates C = {Left, Right, Other} as a multinomial logit: P[voter i chooses candidate c from C] = exp(f(X_ic)) / sum_c’ exp(f(X_ic’))...
Two weeks ago we modeled vote choice with candidates C = {Left, Right, Other} as a multinomial logit: P[voter i chooses candidate c from C] = exp(f(X_ic)) / sum_c’ exp(f(X_ic’)) We...
Three weeks ago we learned about design-based cross validation (dCV), shown in Figure 1(d) of Iparragirre et al. (2023): Each dot is a PSU (primary sampling unit), which can be an...
Understanding R’s describe() Function: A Complete Guide to Summary Statistics Table of Contents Introduction to describe() Breaking Down the Output Columns Key Statistics an...
Hello, I’d like to share CougarStats, a free and open-source R Shiny web app I developed to support the teaching and learning of Statistics. CougarStats runs entirely in...
“A data story about 395 real students, R programming, and one surprising finding”Continue reading on Medium »
Someone who goes by the handle Concerned Cow writes: I am writing anonymously to ask whether you might be willing to look at a series of major statistical issues in a recently publ...
We’ve met Mr. P (Multilevel Regression and Poststratification). We’ve met Mrs. P (Multilevel Regression with Synthetic Poststratification). Now let’s meet Ms. P (Multilevel Structu...
IntroductionContinue reading on Medium »
Choice models are useful for modeling elections (or RuPaul’s Drag Race). Consider vote choice with candidates C = {Left, Right, Other}. “Other” can be a third party, not voting, or...
Five key statistical traps in FAANG interviews that test your ability to question data, spot bias, and think critically
Sample size calculation is one of those things that feels solved. You open a textbook, pick a formula, plug in your numbers, and move on…Continue reading on Medium »
How to tell finance stories. The post Stories vs. Statistics appeared first on A Wealth of Common Sense. ...
I just got to chat with Andrew and some of the authors of the MrPlew paper: Ryan Giordano, Erin Hartman, and Avi Feller. Lots more I have to digest here ! The paper came out while...
As readers may know, I’m a survey statistician at Blue Rose Research. We survey the public to forecast elections and test political messages, used to advise Democrats. On this blog...
Modern professional golf tournaments increasingly depend on data analytics to develop accurate and dynamic tournament pricing. Advanced modelling and the interpretation of real-tim...
From exploratory statistics to publication-ready visualisations — a practical, field-tested guide to the software every researcher should…Continue reading on Medium »
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