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Data Science & Design
a publication by Laurae.
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Latest - The most recent stuff!
xgboost GPU performance on low-end GPU vs high-end CPU
xgboost GPU performance on low-end GPU vs high-end CPU
xgboost CPU with fast histogram is extremely fast compared to old school methods such as exact histogram.
Laurae
Dec 30, 2018
Investigating xgboost Exact scalability
Investigating xgboost Exact scalability
xgboost is a very well known Machine Learning technique based on Gradient Boosted Trees. The default xgboost is an exact method, which does…
Laurae
Jan 31, 2018
Getting the most of xgboost and LightGBM speed: Compiler, CPU pinning
Getting the most of xgboost and LightGBM speed: Compiler, CPU pinning
Currently, xgboost and LightGBM are the two best performing machine learning algorithms for large datasets (both in speed and metric…
Laurae
Jan 28, 2018
Gigabyte Aero 14 review & benchmarks: laptop versus servers
Gigabyte Aero 14 review & benchmarks: laptop versus servers
Premium laptop one size fits all
Laurae
Nov 1, 2017
What's trending?
Ensembles of tree-based models: why correlated features do not trip them — and why NA matters
Laurae: This post is about decision tree ensembles (ex: Random Forests, Extremely Randomized Trees, Extreme Gradient Boosting…) and…
Laurae
Aug 22, 2016
Visiting: Categorical Features and Encoding in Decision Trees
Visiting: Categorical Features and Encoding in Decision Trees
When you have categorical features and you are using decision trees, you often have a major issue: how to deal with categorical features?
Laurae
Apr 23, 2017
xgboost: “Hi I’m Gamma. What can I do for you?” — and the tuning of regularization
Laurae: This post is about tuning the regularization in the tree-based xgboost (Maximum Depth, Minimum Child Weight, Gamma). It also…
Laurae
Aug 22, 2016
What I am featuring
Data Science Intro (Comics)
Data Science Intro (Comics)
Laurae: This is just a one-page comics I setup. Feedback would be really great!
Laurae
Dec 7, 2016
xgboost: “Hi I’m Gamma. What can I do for you?” — and the tuning of regularization
Laurae: This post is about tuning the regularization in the tree-based xgboost (Maximum Depth, Minimum Child Weight, Gamma). It also…
Laurae
Aug 22, 2016
Virtualization & (Hyperthreading) Machine Learning Performance (Windows) (Part 2)
Virtualization & (Hyperthreading) Machine Learning Performance (Windows) (Part 2)
Non-Kaggle post about the impact of Virtualized CPU cores / Sockets on Machine Learning / Optimization problems, specifically on xgboost…
Laurae
Nov 25, 2016
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