Tag: feature-extraction

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

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

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

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

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

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

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

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

19 Feature selection vs Feature extraction. Which to use when? 2018-03-13T05:32:15.480

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

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

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

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

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

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

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

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

9 What is the ideal database that allows fast cosine distance? 2019-02-13T19:18:58.287

9 Why do RNNs usually have fewer hidden layers than CNNs? 2019-06-09T02:18:04.053

9 Is (manual) feature extraction outdated? 2019-10-30T10:52:42.610

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

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

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

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

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

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

7 Feature agglomeration: Is it testing interactions? 2017-12-22T11:15:52.843

7 Feature extraction from a scatter plot 2018-06-05T15:04:29.760

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

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

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

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

6 Using python and machine learning to extract information from an invoice? Inital dataset? 2018-06-15T18:46:20.477

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

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

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

5 Time Series pattern recognition and classification problem 2017-03-15T07:21:17.103

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

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

5 Extract feature vector of a CNN 2018-01-23T16:10:18.973

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

5 How does Doc2Vec treat numerical data which is a part of text data? 2019-02-20T11:37:58.253

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

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

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

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

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

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

4 Can RNN be used for feature extraction? 2018-07-18T15:03:06.623

4 Creating a Object Detection model from scratch using Keras 2019-06-03T06:01:27.547

4 How and Why to rescale image range between [0,1] and [-1,1] 2019-07-25T13:52:10.010

4 Feature selection is not that useful? 2019-09-18T14:13:58.033

4 How to extract features from the encoded layer of an autoencoder? 2019-12-08T12:27:19.273

4 Mean estimation for nested location data 2020-05-19T09:48:20.567

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

3 What is the risk of removing a feature with low correlation...? 2018-03-13T15:38:50.827

3 Does it make sense to "reorder" a categorical feature to make it monotonic? 2018-04-21T18:02:20.363

3 Time series feature extraction from raw sensor data for classification? 2018-05-28T20:38:42.057

3 Extract features from a survey 2018-07-13T10:06:12.393

3 Using historical label as a feature in my ML model? 2018-08-13T17:40:12.617

3 What is the intuition behind using 2 consecutive convolutional filters in a Convolutional Neural Network? 2018-09-08T18:48:39.423

3 What are the rules when extracting SVO triples from preprocessed text? 2018-10-06T18:09:42.637

3 Layman's explanation of when to use which smoother algorithm/technique: FFT, loess, Savitzky-Golay, etc 2018-11-27T15:42:22.273

3 Feature engineering from date, mean and standard deviation 2019-01-05T11:14:38.500

3 How to understand features impact in a non linear case? 2019-01-08T21:51:06.690

3 Dealing with correlated features when calculating permutation importance 2019-02-25T13:47:21.813

3 Blind feature engineering 2019-07-30T03:15:46.577

3 Feature extraction in audio spectrogram 2019-09-03T11:04:14.680

3 Several independent variables based on the same underlying data 2020-01-29T19:12:48.997

3 Dealing with highly variable feature set size 2020-10-21T07:18:16.507

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

2 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

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

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

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

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

2 Identifying important interactions between features using machine learning 2017-09-01T13:23:49.527

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

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

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

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

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