Alexander Engelhardt
Data Scientist
Shinjuku, Japan
Summary
👤
Senior🎓
Top SchoolAlexander Engelhardt is a data scientist with 11 years of experience who combines a PhD in computational statistics from LMU München with practical freelance consulting work through Alpha Epsilon. He specializes in machine learning and algorithmic rigor, having implemented efficient, parallelized methods for large-scale analyses and contributed to the well-known mlr machine learning library in R by fixing bugs, adding tests, and refactoring key functions. Comfortable translating complex math into actionable insights, he has a track record across academic, consulting, and applied projects—from predictive models for biology to financial and clinical analyses. Based in Shinjuku, Japan, he pairs deep technical fluency with clear communication for clients and collaborators, and his GitHub persona hints at a dry, developer-minded sense of humor.
11 years of coding experience
Ludwig Maximilian University of Munich
German, English, Spanish
Stackoverflow
1,702reputation
119kreached
10answers
37questions
Github Skills (22)
r-package10
data-science10
r10
testing10
machine-learning10
learnr9
learing9
learn2learn9
classification9
learndash9
learnpress9
regression8
clustering7
legend6
special-characters6
Programming languages (4)
Github contributions (5)
mlr-org/mlr
Nov 2017 - Mar 2018
Machine Learning in R
Role in this project:
Data Scientist
Data ScientistContributions:8 commits, 10 PRs, 31 comments in 4 months
Contributions summary:Alexander contributed significantly to the `mlr-org/mlr` repository, a machine learning library in R. Their contributions focused on improving the functionality and reliability of the library. Specifically, they addressed bugs in the `smote` function, added tests for the `calculateConfusionMatrix` function, and refactored the `measureMultilabelF1` function. They also implemented a new parameter for the `calculateConfusionMatrix` function.
imbalance-correctionlearnersensemble-learningclassificationr-package
AlexEngelhardt/puzzles
Dec 2017 - Dec 2021
Contributions:96 pushes, 1 branch in 4 years
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