Show threadMiss Kitty 🌈🌈🌈May 26
Not wrong on the other hand recognizes #Infinity and accepts a matrix response with #probabilities of #high-yield likelihood. That's what being not wrong is. The best analysis #mathematics tells us can never be 100% in the realm. This is where you're different than #AI. #Faith conquers the realm.
Lise AndreasenMay 19

#ThisWeeksFiddler, 20260515
This week the #puzzle is: Can You Play Hide-and-Seek? #minimum #maximum #minmax #coding #probabilities #InfiniteSum #integral I (Nis) am playing hide-and-seek with my nephew. I start at point O, whereas my nephew can hide at point A, B or C. I can walk from O to A in 2 minutes, from O to B in […]

https://stuff.ommadawn.dk/2026/05/19/thisweeksfiddler-20260515/

#ThisWeeksFiddler, 20260515

This week the #puzzle is: Can You Play Hide-and-Seek? #minimum #maximum #minmax #coding #probabilities #InfiniteSum #integral I (Nis) am playing hide-and-seek with my nephew. I start at point O, wh…

Stuff from ommadawn.dk (Lise Andreasen)
Lise AndreasenMay 12

#ThisWeeksFiddler, 20260508
This week the #puzzle is: Can You Drink the “Random-ade”? #MonteCarlo #coding #probabilities I’m preparing a mixture of “random-ade” using a large, empty pitcher and two 12-ounce glasses. First, I fill one glass with some amount of lemon juice chosen randomly and uniformly between 0 and 12 ounces. I fill the other glass with some […]

https://stuff.ommadawn.dk/2026/05/12/thisweeksfiddler-20260508/

#ThisWeeksFiddler, 20260508

This week the #puzzle is: Can You Drink the “Random-ade”? #MonteCarlo #coding #probabilities I’m preparing a mixture of “random-ade” using a large, empty pitcher and two 12-ounce glasses.First, I f…

Stuff from ommadawn.dk (Lise Andreasen)
Show threadEric Maugendre about dataApr 9

Directed Acyclic Graphs (DAGs) and Regression for Causal Inference
by Susan Alber (2022) https://health.ucdavis.edu/media-resources/ctsc/documents/pdfs/directed-acyclic-graphs20220209.pdf

#intervention #policy #causality #causalInference #stats #statistics #counterFactuals #probabilities #causation #confounding #DAG #DAGs #graphs

Show threadEric Maugendre about dataMar 22

About metrics for measuring agreement on regression on continuous datasets:
Reasons to avoid R² and use RMSE instead: https://feat.engineering/03-Review_of_the_Modeling_Process.html#sec-reg-metrics

From Max Kuhn @topepo, Kjell Johnson (2026), "Feature Engineering and Selection: A Practical Approach for Predictive Models"

#prediction #dataDev #modelEvaluation #regression #modelling #linearRegression #modeling #probability #probabilities #statistics #stats #gotcha

3  A Review of the Predictive Modeling Process – Feature Engineering and Selection: A Practical Approach for Predictive Models

Lise AndreasenMar 17

#ThisWeeksFiddler, 20260313
This week the #puzzle is: Can You or “Cantor” You Find the Distance? #probabilities #infinity #coding #montecarlo #permutations #distance I start with a number line from 0 to 1, and then I remove the middle third. Then I take each of my remaining pieces (the segment from 0 to 1/3 and the segment from 2/3 […]

https://stuff.ommadawn.dk/2026/03/17/thisweeksfiddler-20260313/

#ThisWeeksFiddler, 20260313

This week the #puzzle is: Can You or “Cantor” You Find the Distance? #probabilities #infinity #coding #montecarlo #permutations #distance I start with a number line from 0 to 1, and then I remove t…

Stuff from ommadawn.dk (Lise Andreasen)
Lise AndreasenMar 10

#ThisWeeksFiddler, 20260306
This week the #puzzle is: Can You Shovel the Snow? #geometry #area #equidistant #probabilities #coding #montecarlo Two teams of shovelers plan to remove all the snow from a parking lot that’s shaped like a regular hexagon. Team Vertex initially places each of its six shovelers at the six corners of the lot. Meanwhile, Team Centroid […]

https://stuff.ommadawn.dk/2026/03/10/thisweeksfiddler-20260306/

#ThisWeeksFiddler, 20260306

This week the #puzzle is: Can You Shovel the Snow? #geometry #area #equidistant #probabilities #coding #montecarlo Two teams of shovelers plan to remove all the snow from a parking lot that’s shape…

Stuff from ommadawn.dk (Lise Andreasen)
Lise AndreasenFeb 24

#ThisWeeksFiddler, 20260220
This week the #puzzle is: Can the Archers Coordinate? #probabilities Two logicians are trying to earn a fabulous prize as a team. There are three targets, and, to win the prize, each logician must fire a single arrow and hit the same target as the other. Two of the targets are closer but are otherwise […]

https://stuff.ommadawn.dk/2026/02/24/thisweeksfiddler-20260220/

#ThisWeeksFiddler, 20260220

This week the #puzzle is: Can the Archers Coordinate? #probabilities Two logicians are trying to earn a fabulous prize as a team. There are three targets, and, to win the prize, each logician must …

Stuff from ommadawn.dk (Lise Andreasen)
Eric Maugendre about dataFeb 19

"Mediators, confounders, colliders – a crash course in causal inference"
by Florian Hartig (2019): https://theoreticalecology.wordpress.com/2019/04/14/mediators-confounders-colliders-a-crash-course-in-causal-inference/

#offPolicy #causality #causalInference #stats #statistics #counterFactuals #probabilities #ML #ecology #confounding

Mediators, confounders, colliders – a crash course in causal inference

Although one would think that the basic concepts of statistics should be the same across all sciences, there is an amazing heterogeneity between fields in how statistics is taught and practiced. On…

theoretical ecology
Show threadEric Maugendre about dataFeb 11

"y=Xβ+ϵ and the interpretation of the coefficients"
Derek L. Sonderegger (2020), Statistical Methods: https://bookdown.org/dereksonderegger/571/

#probabilities #stats #statistics #ML #linearRegression #interpretability #RStats

Statistical Methods II

The second semester of an Intro Stats course designed for graduate students in Biology, Forestry, Ecology, etc.