Tumas Rackaitis – Medium

Tumas Rackaitis

Tumas Rackaitis

Trend Collision: Paradoxes and a Exploration into Causality in Python

Statisticians and Data Scientists are often looking to determine whether doing an action is statistically correlated with some result…

6 min readDec 29, 2020

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Trend Collision: Paradoxes and a Exploration into Causality in Python

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Tumas Rackaitis
in
Towards Data Science

Connective Art with NP completeness

We’ve always been fascinated with connecting the dots. Across the entire world, cultures have looked at the sky and found constellations…

4 min readAug 22, 2020

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The great wave, by Hosukai in TSP form.

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Tumas Rackaitis
in
Towards Data Science

Imperfect Information, Imperfect Superhuman AI

Should AI be allowed to make our gambles? Facebook with Carnegie Mellon AI researchers have just created an AI that can beat people in…

3 min readAug 19, 2019

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Poker Game

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Tumas Rackaitis
in
Towards Data Science

Evaluating Recommender Systems: Root Means Squared Error or Mean Absolute Error?

Recommender System accuracy is popularly evaluated through two main measures: Root Mean Squared Error (RMSE) and Mean Absolute Error(MAE)…

3 min readMay 31, 2019

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Evaluating Recommender Systems: Root Means Squared Error or Mean Absolute Error?

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Tumas Rackaitis
in
Towards Data Science

Introduction to Latent Matrix Factorization Recommender Systems

Latent Matrix Factorization is an incredibly powerful method to use when creating a Recommender System. Ever since it’s rise in the…

5 min readMay 30, 2019

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Introduction to Latent Matrix Factorization Recommender Systems

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Tumas Rackaitis

Tumas Rackaitis

Forecaster @ GGHC, used to do RL research, now I predict stonks. Fascinated with emergence in dynamical systems.

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