Tag: feature-extraction

43 What is dimensionality reduction? What is the difference between feature selection and extraction? 2014-05-18T06:26:15.673

19 Are there any tools for feature engineering? 2015-10-03T04:09:56.397

16 How to perform feature engineering on unknown features? 2016-03-10T19:39:16.190

15 Feature extraction of images in Python 2015-11-15T00:45:03.647

14 How to choose the features for a neural network? 2014-07-10T10:07:13.523

11 What features are generally used from Parse trees in classification process in NLP? 2014-08-24T17:09:40.510

10 Unsupervised feature learning for NER 2014-07-28T07:19:49.877

10 Feature Transformation on Input data 2017-07-24T03:44:17.010

8 Averaging two Word2vec vectors to obtain a unified representation for single word 2016-05-11T20:27:05.973

8 How does a convolutional ply differ from an ordinary convolutional network? 2017-02-17T12:30:03.880

8 Encoding features like month and hour as categorial or numeric? 2017-03-22T07:43:57.223

7 Document classification: tf-idf prior to or after feature filtering? 2014-12-10T16:08:03.537

7 what is difference between one hot encoding and leave one out encoding? 2016-03-23T03:25:53.170

7 Why do we convert skewed data into a normal distribution 2017-07-07T11:35:05.640

6 How to extract features and classify alert emails coming from monitoring tools into proper category? 2015-01-27T10:31:10.233

6 What is a good way to transform Cyclic Ordinal attributes? 2015-06-03T05:56:50.243

6 How to use GAN for unsupervised feature extraction from images? 2017-03-09T13:17:33.503

6 Explain output of a given classifier w.r.t features 2017-07-31T11:45:38.337

5 Attributes extraction from unstructured product descriptions 2014-12-02T16:09:35.333

5 Couple PCA plot and clusters to labels 2015-03-10T19:51:59.277

5 List of feature engineering techniques 2016-07-25T18:55:53.813

5 Why is duplicating inputs bad? 2017-07-21T21:15:44.587

4 Clustering strings inside strings? 2014-10-23T14:51:57.160

4 What features from sound waves to use for an AI song composer? 2015-07-14T22:39:37.943

4 Importance of feature selection for boosting methods 2016-04-07T09:03:49.453

4 Extracting Features Using TensorFlow CNN 2017-03-11T11:51:50.120

4 stable set PCA while adding features 2017-09-11T04:26:18.217

3 Pivoting a two-column feature table in Pandas 2015-07-05T15:10:56.790

3 What are the features to distinguish two short term signals (time series) 2015-08-18T09:25:02.240

3 How to define a distance measure between two IP addresses? 2015-11-09T09:40:19.857

3 Handling a feature with multiple categorical values for the same instance value 2015-12-15T05:54:18.307

3 How to deal with categorical feature of very high cardinality? 2016-03-03T20:29:22.797

3 Deriving Feature Map formula for Inhomogeneous Polynomial Kernel 2016-03-05T08:09:29.460

3 Categorizing Customer Emails 2016-06-18T07:44:12.953

3 I am struggling with Time Series pattern recognition and classification problem? 2017-03-15T07:21:17.103

3 Extracting sub features from inside a df cell? 2017-06-05T10:30:41.437

3 What is representation in optical character recognition? 2017-06-06T18:12:53.580

3 Find points on a map close to given points 2017-08-14T03:30:46.653

3 Variable Importance Random Forest on R 2017-09-29T11:59:11.760

3 Can GPS coordinates (latitude and longitude) be used as features in a linear model? 2017-10-09T20:19:27.787

3 How to get spike values from a value sequence? 2018-01-25T11:09:14.883

2 Smoothing Proportions :: Massive User Database 2014-11-28T03:02:44.323

2 Bag of Words creation in image 2015-01-22T13:36:24.967

2 How to select features from text data? 2015-06-04T15:30:18.877

2 Multiclass Classification that includes a Geospatial Element 2015-08-13T07:37:46.547

2 how to determine hashing bit length for multiple categorical features? 2016-07-19T09:34:35.650

2 extracting information in presence of noise 2016-07-26T04:50:27.877

2 How many features should I take out of 515 features? 2016-08-06T03:06:58.170

2 Feature Selection, Machine learning and Time Series analysis, for large financial timeseries 2016-09-15T09:27:02.430

2 Modern Feature Selection Review/Resources 2017-01-28T06:19:00.657

2 Generating data that look alike my original data 2017-02-09T15:49:58.403

2 What is the rationale for discretization of continuous features and when should it be done? 2017-06-17T04:23:17.953

2 Feature extraction using autoencoder and assigning sub-features to the classes 2017-09-11T07:42:50.650

2 Feature extraction from the text 2017-09-25T10:58:33.607

2 Convolutional Neural networks 2018-01-17T09:41:17.877

2 What are best practices for collaborative feature engineering? 2018-02-20T21:50:46.160

1 Aspect based sentiment analysis using machine learning approach 2015-01-11T11:43:38.253

1 Averaging on skewed distribution 2015-09-25T11:00:38.053

1 Recognizing numerical entities 2015-10-23T17:27:00.107

1 What's the best way to use binned data in a tree-based model? 2016-02-09T19:10:00.017

1 Coalitional effect in logistic regression and assessing explanarory variable contribution 2016-03-14T22:39:16.153

1 Extract Product Attributes/Features 2016-03-15T10:17:24.553

1 Feature Extraction and Vector Space Model 2016-04-06T08:12:42.710

1 Feature extraction from relational database 2016-04-13T05:38:28.643

1 Network analysis applied on terms 2016-04-23T15:02:47.757

1 Feature selection - QR code localization 2016-05-14T22:13:12.383

1 Ground-truth and feature extraction for predictive modelling 2016-06-09T09:17:49.230

1 Feature Extraction - calculate slope 2016-06-18T21:14:57.997

1 Choosing the right parameters to train a Tf-Idf vectoriser 2016-07-23T22:33:04.860

1 Different runs of feature selection algorithm giving different set of selected feature. How to choose the best set among them? 2016-08-05T08:14:46.610

1 Multiple binary dummy features Vs Multi-values single feature 2016-08-22T08:57:33.617

1 Feature Engineering 2016-08-31T19:30:25.727

1 Use TSFRESH-library to forecast values 2016-11-12T14:35:25.700

1 Image feature extraction Python skimage blob_dog 2016-11-20T20:27:12.630

1 Boruta feature selection in R with custom importance (xgboost feature importance) 2016-11-23T03:51:08.543

1 Feature extraction - wavelet transformation + autoregression 2017-01-10T18:31:34.957

1 Feature extraction in ConvNNs - layers progression 2017-02-27T00:42:42.743

1 HIgher Order Interaction Variables. How to use them in model? 2017-03-05T16:35:44.127

1 unsupervised learning in medical systems and intelligent systems? 2017-04-08T19:07:54.517

1 Detecting outlier with combining two vectors 2017-04-25T22:43:43.510

1 How to transform raw data to fixed-frequency time series? 2017-06-21T16:48:25.713

1 Feature extraction of accelerometer data for machine learning 2017-08-03T10:49:30.910

1 TSA library on R, periodogram method 2017-08-14T14:33:54.940

1 How to rank a feature importance? 2017-09-16T09:35:59.727

1 Does feature selection removes highly corelated variables? 2017-10-07T18:04:50.497

1 Classification: How to manage data sets where one data row depends on another data row 2017-10-30T05:10:47.697

1 The automatic construction of new features from raw data 2017-10-31T15:26:11.990

1 Preparing, Scaling and Selecting from a combination of numerical and categorical features 2017-11-02T01:53:50.253

1 Can AlexNet outperform ResNet as a feature extractor? 2017-11-07T16:33:57.553

1 Why is there a difference in performance across the feature descriptors for the same imaging modality? 2017-11-15T12:58:37.357

1 Giving Emails as Input to Machine Learning Algorithms 2017-12-19T15:06:26.227

1 statistical significance test between binary label features 2017-12-28T03:53:45.333

1 Sklearn tfidf vectorize returns different shape after fit_transform() 2018-01-15T14:44:23.153

1 Clustering combining numeric features and weekday & hour cyclic features 2018-01-30T10:42:54.193

1 Features for blink detection in real-time single channel EEG 2018-02-05T04:45:20.107

1 Under what conditions should an autoencoder be chosen over kernel PCA? 2018-02-09T10:28:03.183

1 How is Kernel Matrix on a distribution defined? 2018-02-22T06:54:39.697

1 How to manipulate this column of less than/greater than? 2018-02-25T05:32:57.343

0 Going from report to feature matrix 2015-02-23T15:45:21.700