Josue Rodriguez
josuerodriguez.bsky.social
Josue Rodriguez
@josuerodriguez.bsky.social
• Data Scientist in EdTech
• PhD in Quant Psych

https://josue-rodriguez.github.io
Confidence intervals have a valid interpretation within the context of a single sample, and without a need to reference an infinite series of hypothetically repeated experiments.

For whatever reason this perspective is under-discussed, so I explain and discuss here!
Interpreting the confidence interval in front of you – josue rodriguez
I go over the most common interpretation of a confidence interval, and discuss an alternative, potentially more useful one.
josue-rodriguez.github.io
December 16, 2024 at 4:52 PM
Two of the most valuable skills I developed through my psychology curriculum are perspective-taking and empathy. It’s remarkable how often technical work is communicated poorly simply because the audience’s perspective was either overlooked or flat out disregarded.
December 5, 2024 at 11:09 PM
Have you ever wondered why the "normal" OLS regression formulas and the matrix notation give the same estimates? I realized I’d never seen it explained, so I dug in and wrote about it. If you're curious too, you can check out my post: josue-rodriguez.github.io/posts/2024-1...
Connecting Scalar and Matrix Notation in OLS Regression – josue rodriguez
I go over OLS regression in matrix notation, and show how it connects to the scalar notation of OLS regression.
josue-rodriguez.github.io
November 21, 2024 at 7:20 PM