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Olivier Grisel ogrisel

Machine Learning Engineer a Inria Saclay (Parietal team).

3.2k followers · 116 following · 237

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Popular repositories

parallel_ml_tutorial

Tutorial on scikit-learn and IPython for parallel machine learning

Jupyter Notebook 1.6k 614
notebooks

Some sample IPython notebooks for scikit-learn

Jupyter Notebook 537 201
pignlproc

Apache Pig utilities to build training corpora for machine learning / NLP out of public Wikipedia and DBpedia dumps.

Java 160 70
pygbm

Experimental Gradient Boosting Machines in Python with numba.

Python 156 27
python-appveyor-demo

Demo project for building Python wheels with appveyor.com

PowerShell 152 55
docker-distributed

Experimental docker-compose setup to bootstrap distributed on a docker-swarm cluster.

Shell 92 29

809 contributions in the last year

Activity overview

Contributed to scikit-learn/scikit-learn, joblib/joblib, cloudpipe/cloudpickle and 5 other repositories

Contribution activity

October 2020

Created a pull request in INRIA/scikit-learn-mooc that received 5 comments

Oct 28

Fixes and improvements for the CV notebook

@glemaitre I started to do a pass. Have a quick glance at the diff but I would be in favor in quick merge and iterate.

+193 −95 • 5 comments

Vendor latest cloudpickle and loky Oct 2

Concurrent safe iteration over processes Oct 2

[WIP] Common test for equivalence between sparse and dense matrices. Oct 27
MRG : add support for sample_weights in StandardScaler when X is sparse Oct 27
FIX Fixes encoders for string dtypes Oct 27
[MRG] DOC updates to pitfalls section Oct 26
MNT Correctly errors in check_array with dtype=numeric and string/bytes Oct 26
incremental mean and var for weighted sparse X Oct 23
[WIP] PERF compute float32 grad and hess in HGBT Oct 23
KMeans: warn about memory leak on Windows with MKL Oct 23
DOC Fix docs for Drawbarcks of Davies-Bouldin index Oct 23
BUG Add tol to _make_unique to avoid inf values in IsotonicRegression Oct 23
[MRG] Create public kmeans_plusplus including index output Oct 22
FIX: incr_mean_variance_axis when axis=1 and last_mean have shape of … Oct 20
ENH Add libsvm-like calibration procedure to CalibratedClassifierCV Oct 20
MNT add FUNDING.yml to setup GH sponsor button Oct 20
[MRG] ENH Adds Categorical support for HistGradientBoosting Oct 19
CLN Refactors find binning threshold Oct 14
ENH Warn future change of default init in NMF Oct 14
[MRG]Generate to dataframe Oct 14
ENH Adds n_features_in_ checks to linear and svm modules Oct 14
MNT Uses a less strict error message for n_features_in_ checks Oct 14
FIX add attributes X_offset_ and X_scale_ in ARDRegression needed in predict Oct 14
DOC Add instructions about not removing anchors Oct 14
FIX sort radius neighbors results when sort_results=True and algorithm="brute" Oct 14
MNT Move min_dependencies up a level Oct 14
ENH Add support for 'fit_params' to learning_curve Oct 14
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SLEP015: Feature Names Propagation Oct 8

Avoid Memory collision between notebooks with same function name Oct 2

Created an issue in conda-forge/scipy-feedstock that received 11 comments

Oct 21

conda install -c conda-forge scipy blas=*=openblas installs the netlib version of libcblas and libblas on macOS

Steps to reproduce on macOS: $ conda create -y -n tmp -c conda-forge scipy blas=*=openblas $ conda list -n tmp # packages in environment at /Users/…

11 comments

LinearDiscriminantAnalysis does not handle degenerate problems well Oct 22

Python exit 0 without raising an exception when calling scipy.linalg.svd([[]]) using the netlib variant of libcblas / libblas / liblapack (on macOS) Oct 21

Olivier Grisel ogrisel

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