PyCon India 2016 keynote
Commodity Machine LearningPast, present and futureAndreas Mueller
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What is machine learning?
Automatic Decision MakingSpam?Yes No
Spam?Yes No
ProgrammingMachine Learning
Machine learning is EVERYWHERE
ScienceEngineeringMedicine...
Commodity machine learning
past
+
dawn of open source tools...
The age of shell
Documentation? Testing?
Scikit-learn: User centric machine learning
.fit(X, y).predict(X).transform(X)
present
Choose your ecosystem.
Open! Documented! Tested!
Usability is key!
ML FrameworksPyMC, Edward, Stantheano, tensorflow, keras
from sklearn.model_selection import GridSearchCVfrom sklearn.pipeline import Pipeline
github.com/scikitlearncontrib/scikitlearncontrib
(near) Future
pip install scikitlearn==0.18rc20.18for the release candidate:
sklearn.cross_validationsklearn.grid_searchsklearn.learning_curvesklearn.model_selection
results = pd.DataFrame(grid_search.results_)
labels → groupsn_folds → n_splits
from sklearn.cross_validation import KFoldcv = KFold(n_samples, n_folds)for train, test in cv:...from sklearn.model_selection import KFoldcv = KFold(n_folds)for train, test in cv.split(X, y):...
from sklearn.mixture import GaussianMixturefrom sklearn.mixture import BayesianGaussianMixture
PCA()RandomizedPCA()PCA()
Gaussian Process Rewrite
Isolation Forests
Playfrom sklearn.neural_network import MLPClassifierWorkimport keras
pipe = Pipeline([('preprocessing', StandardScaler()),('classifier', SVC())])param_grid = {'preprocessing': [StandardScaler(), None]}grid = GridSearchCV(pipe, param_grid)
40
(further) Future
Feature / Column names
from __future__ import sklearn.plotting
from __future__ import AutoClassifier
More Transparency
amueller.github.io@amuellerml@amueller[email protected]
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