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Scikit-learn Cookbook : over 50 recipes to incorporate scikit-learn into every step of the data science pipeline, from feature extraction to model building and model evaluation /
If you're a data scientist already familiar with Python but not Scikit-Learn, or are familiar with other programming languages like R and want to take the plunge with the gold standard of Python machine learning libraries, then this is the book for you.
| Clasificación: | Libro Electrónico |
|---|---|
| Autor principal: | |
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
Birmingham, U.K. :
Packt Publishing,
2014.
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| Temas: | |
| Acceso en línea: | Texto completo |
MARC
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| 100 | 1 | |a Hauck, Trent, |e author. | |
| 245 | 1 | 0 | |a Scikit-learn Cookbook : |b over 50 recipes to incorporate scikit-learn into every step of the data science pipeline, from feature extraction to model building and model evaluation / |c Trent Hauck. |
| 264 | 1 | |a Birmingham, U.K. : |b Packt Publishing, |c 2014. | |
| 300 | |a 1 online resource (1 volume) : |b illustrations | ||
| 336 | |a text |b txt |2 rdacontent | ||
| 337 | |a computer |b c |2 rdamedia | ||
| 338 | |a online resource |b cr |2 rdacarrier | ||
| 500 | |a "Quick answers to common problems." | ||
| 588 | 0 | |a Online resource; title from cover (Safari, viewed November 17, 2014). | |
| 500 | |a Includes index. | ||
| 505 | 0 | |a Cover; Copyright; Credits; About the Author; About the Reviewers; www.PacktPub.com; Table of Contents; Preface; Chapter 1: Premodel Workflow; Introduction; Getting sample data from external sources; Creating sample data for toy analysis; Scaling data to the standard normal; Creating binary features through thresholding; Working with categorical variables; Binarizing label features; Imputing missing values through various strategies; Using Pipelines for multiple preprocessing steps; Reducing dimensionality with PCA; Using factor analysis for decomposition | |
| 505 | 8 | |a Kernel PCA for nonlinear dimensionality reductionUsing truncated SVD to reduce dimensionality; Decomposition to classify with DictionaryLearning; Putting it all together with Pipelines; Using Gaussian processes for regression; Defining the Gaussian process object directly; Using stochastic gradient descent for regression; Chapter 2: Working with Linear Models; Introduction; Fitting a line through data; Evaluating the linear regression model; Using ridge regression to overcome linear regression's shortfalls; Optimizing the ridge regression parameter; Using sparsity to regularize models | |
| 505 | 8 | |a Taking a more fundamental approach to regularization with LARSUsing linear methods for classification -- logistic regression; Directly applying Bayesian ridge regression; Using boosting to learn from errors; Chapter 3: Building Models with Distance Metrics; Introduction; Using KMeans to cluster data; Optimizing the number of centroids; Assessing cluster correctness; Using MiniBatch KMeans to handle more data; Quantizing an image with KMeans clustering; Finding the closest objects in the feature space; Probabilistic clustering with Gaussian Mixture Models; Using KMeans for outlier detection | |
| 505 | 8 | |a Using k-NN for regressionChapter 4: Classifying Data with scikit-learn; Introduction; Doing basic classifications with Decision Trees; Tuning a Decision Tree model; Using many Decision Trees -- random forests; Tuning a random forest model; Classifying data with Support Vector Machines; Generalizing with multiclass classification; Using LDA for classification; Working with QDA -- a nonlinear LDA; Using Stochastic Gradient Descent for classification; Classifying documents with Naïve Bayes; Label propagation with semi-supervised learning; Chapter 5: Post-model Workflow; Introduction | |
| 505 | 8 | |a K-fold cross validationAutomatic cross validation; Cross validation with ShuffleSplit; Stratified k-fold; Poor man's grid search; Brute force grid search; Using dummy estimators to compare results; Regression model evaluation; Feature selection; Feature selection on L1 norms; Persisting models with joblib; Index | |
| 520 | |a If you're a data scientist already familiar with Python but not Scikit-Learn, or are familiar with other programming languages like R and want to take the plunge with the gold standard of Python machine learning libraries, then this is the book for you. | ||
| 546 | |a English. | ||
| 590 | |a eBooks on EBSCOhost |b EBSCO eBook Subscription Academic Collection - Worldwide | ||
| 650 | 0 | |a Machine learning. | |
| 650 | 0 | |a Python (Computer program language) | |
| 650 | 6 | |a Apprentissage automatique. | |
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| 650 | 7 | |a Machine learning |2 fast | |
| 650 | 7 | |a Python (Computer program language) |2 fast | |
| 776 | 0 | 8 | |i Print version: |a Hauck, Trent. |t Scikit-learn cookbook : over 50 recipes to incorporate scikit-learn into every step of the data science pipeline, from feature extraction to model builing and model evaluation. |d Birmingham, [England] : Packt Publishing, ©2014 |h iii, 199 pages |z 9781783989485 |
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