Tag: scikit-learn

42 SVM using scikit learn runs endlessly and never completes execution 2014-08-18T10:46:57.360

32 strings as features in decision tree/random forest 2015-02-25T01:07:14.717

32 Difference between fit and fit_transform in scikit_learn models? 2016-06-21T10:05:08.587

25 When to use One Hot Encoding vs LabelEncoder vs DictVectorizor? 2015-12-19T19:30:35.527

22 Does scikit-learn have forward selection/stepwise regression algorithm? 2014-08-07T15:33:43.793

18 Why is xgboost so much faster than sklearn GradientBoostingClassifier? 2016-03-29T14:14:46.867

16 Algorithms for text clustering 2014-08-15T13:10:20.937

15 Where in the workflow should we deal with missing data? 2014-05-27T21:07:48.973

14 Scikit-learn: Getting SGDClassifier to predict as well as a Logistic Regression 2015-08-04T08:11:30.990

13 Merging sparse and dense data in machine learning to improve the performance 2016-04-06T05:14:11.457

9 Can you explain the difference between SVC and LinearSVC in scikit-learn? 2015-09-02T14:49:33.520

8 How much time do scikit classifiers take to classify? 2014-10-01T13:26:52.037

8 Improve the speed of t-sne implementation in python for huge data 2016-02-06T14:19:10.243

8 How to force weights to be non-negative in Linear regression 2017-04-11T03:02:54.080

7 Why does Gradient Boosting regression predict negative values when there are no negative y-values in my training set? 2014-06-24T19:43:24.643

7 Is there a method that is opposite of dimensionality reduction? 2015-06-25T21:24:37.237

7 Feature selection for Support Vector Machines 2015-07-26T12:17:09.947

7 sklearn - overfitting problem 2015-08-11T22:21:42.453

7 How to get p-value and confident interval in LogisticRegression with sklearn? 2016-11-28T17:10:45.847

7 How to deal with string labels in multi-class classification with keras? 2017-03-11T13:42:10.793

7 Can training label confidence be used to improve prediction accuracy? 2017-05-24T16:13:03.890

7 What is the difference between a hashing vectorizer and a tfidf vectorizer 2017-08-14T16:42:07.040

6 Is there a way of performing stratified cross validation using xgboost module in python? 2015-08-20T09:53:43.280

6 Classifier and Technique to use for large number of categories 2015-09-26T11:58:37.963

6 Linear kernel in SVM performing much worse than RBF or Poly 2015-12-20T17:09:48.473

6 Building a machine learning model to predict crop yields based on environmental data 2016-01-04T00:17:58.200

6 Interpreting the results of randomized PCA in scikit-learn 2016-03-05T19:07:07.393

6 Does scikit-learn use regularization by default? 2016-03-21T06:51:17.803

6 Train/Test/Validation Set Splitting in Sklearn 2016-11-15T14:55:04.130

6 How can I use variable length inputs to train a regression model? 2017-02-16T18:16:56.650

6 Extracting individual emails from an email thread 2017-06-01T13:02:23.683

6 How backpropagation through gradient descent represents the error after each forward pass 2017-12-09T13:52:25.563

6 Imbalanced data causing mis-classification on multiclass dataset 2018-02-16T11:09:56.917

5 How to cluster a link traversal dataset 2015-05-27T05:41:21.753

5 Feature selection using feature importances in random forests with scikit-learn 2015-08-04T17:44:35.277

5 Calculating KL Divergence in Python 2015-12-08T10:37:44.050

5 what is the difference between "fully developed decision trees" and "shallow decision trees"? 2016-01-11T07:07:23.557

5 How to calculate KL-divergence between matrices 2016-04-18T14:07:45.893

5 Varying results when calculating scatter matrices for LDA 2016-05-03T08:39:04.420

5 Does using unimportant features hurt accuracy? 2016-05-11T17:51:46.200

5 Parameters in GridSearchCV in scikit-learn 2016-08-13T17:58:19.430

5 Naive Bayes Should generate prediction given missing features (scikit learn) 2016-08-22T14:03:25.350

5 Predict the best time of call 2016-09-21T08:08:19.270

5 How to determine feature importance while using xgboost in pipeline? 2016-12-30T17:29:52.647

5 How to use TFIDF vectors with multinomial naive bayes? 2017-04-05T17:10:51.403

5 Feature importance with high-cardinality categorical features for regression (numerical depdendent variable) 2017-04-05T18:23:12.657

5 Predicting contract churn/cancellation: Great model results does not work in the real world 2017-06-14T13:46:30.580

5 Categorical Variables - Classification 2017-06-18T17:24:03.913

4 Struggling to integrate sklearn and pandas in simple Kaggle task 2014-07-05T15:01:43.940

4 Scikit Learn Logistic Regression Memory Leak 2014-10-07T17:27:22.063

4 Why does the listed order of features specified in the data set matter to the random forest classifier 2015-05-13T02:24:54.520

4 Can you use clustering to pick out signals in noisy data? 2015-06-28T16:56:58.467

4 How to use Cohen's Kappa as the evaluation metric in GridSearchCV in Scikit Learn? 2015-09-11T03:00:48.897

4 Clustering for mixed numeric and nominal discrete data 2015-11-02T04:12:53.367

4 Same SVM configuration, same input data gives different output using Matlab and scikit-learn implementation of SVM, in a classification problem 2016-01-07T08:51:03.393

4 how to make sklearn pipeline using custom model? 2016-03-02T06:14:13.313

4 How to reduce dimensionality of audio data that comes in form of matrices and vectors? 2016-03-14T00:37:25.940

4 How does SelectKBest work? 2016-03-18T10:34:45.107

4 Document Categorization Problem 2016-03-24T19:22:53.283

4 decision trees on mix of categorical and real value parameters 2016-04-19T12:37:05.593

4 How would I chi-squared test these simple results from A/B experiment? 2016-04-28T02:00:35.087

4 Find effective feature on machine learning classification task with scikit-learn 2016-05-19T00:56:13.510

4 Why is the number of samples smaller than the number of values in my decision tree? 2016-06-21T12:23:37.307

4 Pandas Dataframe to DMatrix 2016-07-15T13:48:09.557

4 Nested cross-validation and selecting the best regression model - is this the right SKLearn process? 2016-08-04T01:28:45.307

4 Reproducing randomForest Proximity Matrix from R package in Python 2017-03-16T09:31:07.317

4 Does increasing the n_estimators parameter in decision trees always increase accuracy 2017-06-22T01:43:13.350

4 How to use machine learning to extract product info from the titles of eBay listings 2018-01-10T19:28:59.477

3 How to ensemble classifier incorporating all features in python? 2014-11-27T03:21:11.110

3 What cost function and penalty are suitable for imbalanced datasets? 2014-12-13T17:42:54.927

3 Sci-kit Pipeline and GridsearchCV returns indexError: too many indices for array 2014-12-16T01:19:12.477

3 How to plot/visualize clusters in scikit-learn (sklearn)? 2015-08-17T08:07:58.280

3 Extremely dominant feature? 2015-12-14T10:33:28.333

3 Export weights (formula) from Random Forest Regressor in Scikit-Learn 2016-01-08T11:57:50.097

3 Image clustering by similarity measurement (CW-SSIM) 2016-01-10T19:44:59.887

3 Using machine learning specifically for feature analysis, not predictions 2016-01-14T04:12:54.237

3 What regressors are recommended with text modeling? 2016-01-19T06:26:00.080

3 How should I convert Logistic Regression's coefs into action strategy? 2016-01-21T11:02:06.503

3 Balanced Linear SVM wins every class except One vs All 2016-03-14T17:18:16.080

3 Image Segmentation with a challenging background 2016-03-21T11:04:21.280

3 Decision Tree generating leaves for only one case 2016-04-28T10:50:38.520

3 How do I obtain the weight and variance of a k-means cluster? 2016-04-28T16:13:53.623

3 Gaussian Mixture Models EM algorithm use average log likelihood to test convergence 2016-07-01T21:25:33.887

3 First steps with Python and scikit-learn 2016-08-16T15:38:29.150

3 Mass convert categorical columns in Pandas (not one-hot encoding) 2016-09-18T16:45:15.647

3 Naive Bayes: Divide by Zero error 2016-09-20T05:40:10.897

3 Multiple Categorical values for a single feature how to convert them to binary using python 2016-10-31T12:14:04.133

3 NLTK Sklearn Genism Text to Topic 2016-11-23T16:33:35.720

3 What are some good error metrics for multi-label (not mutli-class) problem in industry? 2016-11-29T23:46:11.157

3 How to force DecisionTreeRegressor to use polyfit equation instead of mse at leaf level in python SKlearn 2016-12-07T13:06:55.723

3 Performance difference between decision trees and logistic regression when one of the features is a string 2017-01-25T01:14:59.223

3 Why the estimated Lasso coefficients of almost all variables are equal to zero? 2017-02-26T14:29:15.667

3 Can i do an incremental learning with sklearn implementation of Linear discriminant analysis? 2017-03-05T10:35:45.193

3 How to implement patternet in python as it is in matlab? 2017-03-06T14:38:06.250

3 Pandas categorical variables encoding for regression (one-hot encoding vs dummy encoding) 2017-03-20T19:26:11.217

3 Reproducing cutoff in xgboost.train() with XGBClassifier() 2017-04-14T18:03:07.740

3 How to train model to predict events 30 minutes prior, from multi-dimensionnal timeseries 2017-04-20T13:24:46.320

3 Need help with Sci-Kit-Learn - Found input variables with inconsistent numbers of samples 2017-07-06T05:17:55.947

3 Is there any way to get samples in under each leaf of a decision tree in Sklearn ? 2017-07-29T08:37:45.703