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@ZIrwin22
@IhdinArt
Exploratory data analysis used to take me 1 week. It takes me less than 60 minutes now. Introducing explore, a new R package for EDA. Let's dive in:
Should you use Likert or VAS for EMA research? In a new paper led by @jonashaslbeck & @AlbertoJover (last author @EatingLab), we assigned n~160 in a 2 week study to either 📏1-7 Likert or 🎚️1-100 Visual Analogue Scale and compared results using Bayesian multilevel models.…
Comparing Likert and Visual Analogue Scales in Ecological Momentary Assessment osf.io/yt8xw/
I have finally worked through all of @avehtari & Gelman's "Active Statistics". Advertised as a resource mainly for stats instructors, I think it's prob just as useful for students and self-learners. The case studies alone would be a worthwhile text. avehtari.github.io/ActiveStatisti…
I’d like to bring your attention for an article that @ProfEricJohnson, @elisugerman and I just published pnas.org/doi/10.1073/pn…. In this article we describe, test, and explain the heterogeneity of very established effects in the behavioral sciences, THREAD >>>
Did you know that the Pew Research Centre lets you download their datasets? pewresearch.org/download-datas… For you R nerds, there is also an R package you can use
#statstab #45 Visualizing Hierarchical Models by @mf_viz Thoughts: One of the coolest visualisation websites for mixed effects models I had saved. #stats #mixedeffects #hierarchicalmodels #rstats #MLM mfviz.com/hierarchical-m…
Teaching or learning stats and R? I'm creating self-graded practice exercises so that students can test their understanding of the material without the help of an instructor. I just created some related to how to estimate causal effects using randomized experiments ... #rstats
🚨THRILLED to share new preprint for a project I have been working on for 4+ years. In this work we do a deep-dive into the internet's most fascinating repository of everyday morality: Reddit's Am I the Asshole? (AITA). 🧵 osf.io/preprints/psya…
Likert scores are not integers and they cannot be subdued by pretense. Stop pretending and meet me in the warm 3rd circle of stats hell and learn about ordered categorical models. Lecture: youtube.com/watch?v=VVQaIk…
likert scale scores are not integers and i’m tired of people pretending they are
A fascinating recurring Reddit phenomenon is someone seeking advice from a technical forum on an unusual situation, then a commenter correctly diagnoses OP as experiencing hallucinations or delusions which they are trying to make sense of.
1/8 New tutorial preprint led by @b_siepe in which we present different descriptive statistics & data visualization techniques with the goal to better understand EMA item functioning. Preprint: osf.io/preprints/psya… Brief overview thread 🧵:
PSA: if you have an interaction in your model Y~X+G+X×G Unless you did something special*, the coefficient of X is the simple slope of X when G=0, and not the average slope of X. *Centering G (if it is numeric) or using some form of effects coding (if categorical).
Most papers comparing clustered data methods use biostat or econ language, so I wrote one in psyc/ed language covering the origin of the independence assumption, how each method handles ind. violations, and types of questions best-suited for each method psycnet.apa.org/record/2024-24…
New in SO! 🚨 "How and why alpha should depend on sample size: A Bayesian-frequentist compromise for significance testing" ⍺ (Read here 👉 journals.sagepub.com/doi/10.1177/14…) by @jesper_wulff & @luke_n_taylor @AarhusUni_int
Latest class analysis is very much in vogue at present. It needs much more stringent validation than is typically attempted. And for any clustering method the first thing to do is to verify that what is found is actually clusters, which must be compact. #Statistics
My thesis examiners passed my PhD thesis with ZERO corrections. One of their comments was that 'it was extremely well written'. How? By following a strict consistent structure throughout. This is exactly how you should structure your results chapter:
You need to stop manually making presentations. This AI tool is ChatGPT for your slide decks. Here's how to use it to save hours of work (completely free):
Wish you knew more about Statistics and Data Science? Here are my TEN best book recommendations for learners at every level.
The 2023 edition of my long-running anti-establishment art-science-fusion code-therapy smooth-baritone causal inference & Bayesian data analysis course is complete. 20 lectures, from the basics of causal inference & Bayesian updating to mixed models & Gaussian processes. 1/2
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