13 How many dimensions to reduce to when doing PCA? 2016-03-16T04:28:50.893

13 How do I make an interactive PCA scatterplot in Python? 2016-05-28T00:55:13.630

10 Is PCA considered a machine learning algorithm 2018-01-16T20:42:49.727

9 Classify multivariate time series 2017-05-09T08:33:11.113

8 Understanding how distributed PCA works 2017-04-19T08:58:18.707

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

7 Is it OK to try to find the best PCA k parameter as we do with other hyperparameters? 2019-03-27T18:58:33.157

5 Converting non-numeric data values into equivalent rank scores 2016-06-20T05:25:45.467

5 Is Overfitting a problem in Unsupervised learning? 2017-03-16T14:44:12.933

5 Why does PCA assume Gaussian Distribution? 2017-12-19T06:08:02.173

5 Does it make sense to combine PCA with an artificial neural network? 2018-01-16T10:03:13.640

5 Sklearn PCA with zero components example 2018-05-18T11:07:32.130

5 Distributed PCA or an equivalent 2018-07-11T21:22:04.607

5 Intuition behind PCA eigenvectors 2019-10-22T23:52:38.323

5 How do I interpret my result of clustering? 2020-01-24T20:17:03.687

4 How to interpret the loading values of a pca? 2016-09-30T14:58:16.003

4 tsne for prediction 2017-08-21T09:25:35.627

4 How to implement PCA color augmentation as discussed in AlexNet 2018-04-21T06:50:42.490

4 Are dimensionality reduction techniques useful in deep learning 2018-07-30T15:33:11.740

4 Many things behave differently in high dimensional space 2019-02-16T14:37:25.063

4 clustering before or after PCA? 2019-05-15T15:16:57.847

4 How to use PCA in CNN for image recognition using Keras? 2019-07-31T19:41:35.597

4 Should I use keras or sklearn for PCA? 2020-06-19T05:34:08.053

4 What are the model parameters in PCA? 2020-11-13T23:56:41.873

3 What statistical method can be applied in my case? 2016-05-26T15:19:28.537

3 How can give weight to feature before PCA 2016-06-20T08:57:04.020

3 Which variables matter most for prediction of another variable? 2016-07-27T22:59:16.890

3 PCA algorithm problems - Python 2016-08-10T17:11:59.087

3 What are some methods for clustering individuals into distinct groups based on Features? 2017-01-25T03:55:49.053

3 Examples for predict.FAMD? 2017-02-15T18:35:38.193

3 Dimensionality reduction with PCA limitations 2017-05-27T11:49:55.000

3 Best ML technique to suggest predictor variables 2017-08-25T12:46:09.867

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

3 Dimensionality reduction with prior knowledge of colinearity between features 2017-10-20T07:31:27.757

3 ValueError: operands could not be broadcast together with shapes (60002,39) (38,) during pca.transform 2018-04-23T11:50:14.250

3 Data scaling before PCA: how to deal with categorical values? 2018-06-10T08:44:28.937

3 PCA and FastICA in scikit-learn giving near identical results 2018-10-24T23:07:49.430

3 Ploting eigenvectors 2019-01-11T18:28:26.413

3 PCA, SMOTE and cross validation- how to combine them together? 2019-02-20T08:31:47.957

3 Why do we choose principal components based on maximum variance explained? 2019-03-07T18:30:05.747

3 PCA formulation - Deep Learning book by Ian Goodfellow 2019-06-28T07:35:13.773

3 How to export PCA to use in another program 2019-07-04T15:30:20.730

2 Feature Selection and PCA 2016-06-17T12:32:37.780

2 feature redundancy 2016-06-17T23:30:03.107

2 Multidimensional Scaling with Categorical Data 2016-09-30T08:56:03.210

2 How to evaluate the quality of representation for variables and individuals of a PCA in scikit-learn? 2016-11-14T00:57:11.477

2 Principal Component Analysis, Eigenvectors lying in the span of the observed data points? 2016-12-22T17:42:55.723

2 PCA before K-mean clustering 2017-02-27T10:45:11.683

2 I have n dimensional data and I want to check integrity, can I downgrade to 2 dimensional feature space via PCA and do so? 2017-04-11T21:14:18.453

2 What can i do after a PCA with the results? 2017-05-05T16:58:43.873

2 What are possible approaches to deal with unseparable data even after PCA? 2017-07-14T15:16:40.437

2 Why is my PCA boomerang-shaped when normalizing? 2017-08-23T15:26:13.507

2 How to test trained PCA used for compression? 2017-11-18T14:08:00.540

2 How can I calculate Kernel matrix K for clustering based Kernel Principal Component Analysis? 2017-11-25T12:18:59.940

2 Re-scale data after PCA for an LSTM? 2018-01-05T01:19:50.887

2 Can PCA be applied to reduce dimensionality of only a subset of features? 2018-02-07T08:38:43.430

2 PCA first dimension do not not capture enough variance 2018-02-08T18:28:13.573

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

2 distinguish users for recommender system 2018-03-08T16:44:45.973

2 PCA huge parts of missing data filling 2018-05-17T17:42:21.630

2 Sklearn Pipelines - How to carry over PCA? 2018-05-31T03:43:00.543

2 How can I apply PCA to KNN? 2018-06-06T11:36:53.607

2 Is deduction, genetic programming, PCA, or clustering machine learning according to Tom Mitchells definition? 2018-08-07T05:10:42.320

2 Is PCA (by eigendecomposition) or SVD better in decorrelating the predictors of a machine learning model? 2018-10-25T16:03:46.493

2 What best/correct algorithm/procedure to cluster a dataset with a lot 0's? 2018-11-11T22:50:51.473

2 PCA: projection of positive data on negative side of plane 2018-12-23T11:56:59.770

2 I have data of some movies and their subtitles.I want to classify them based on their ratings 2018-12-25T07:04:20.500

2 t-SNE on extremely high-dimensional spaces 2019-01-08T14:40:44.513

2 Scale of the data after PCA 2019-01-28T15:21:03.320

2 How to compare Factor and Principal Component Analysis results? 2019-02-13T14:22:49.873

2 Is dimension reduction helpful to select features for a classification problem? 2019-02-20T23:02:27.873

2 Measuring distance preservation in dimensionality reduction 2019-04-21T02:23:37.980

2 Deciding on the number of components in PCA 2019-05-01T10:13:13.093

2 Difference between Factorization Machines and PCA? 2019-06-05T17:05:43.427

2 When I should use PCA? 2019-07-08T22:59:07.600

2 Kernel PCA and K largest eigenvectors 2019-07-14T20:05:46.440

2 Interpreting the new dimensions after PCA 2019-09-25T11:49:02.530

2 'PCA' object has no attribute 'explained_variance_' 2019-10-06T19:19:33.273

2 reduction of model accuracy while using PCA for a regression problem 2020-01-06T15:25:09.123

2 PCA shows overlapping boundaries, then why SVM performs best 2020-06-01T10:26:26.627

2 How to tell how much information I lose when I simplify the graph data structure with respect to unsimplified graph? 2020-06-02T08:31:01.070

2 How to determine what algorithm to apply in the following dataset (included) 2020-06-03T17:43:18.740

2 PCA for complex-valued data 2020-06-09T19:50:16.500

2 Spark: How to run PCA parallelized? Only one thread used 2020-06-28T13:47:48.773

2 First two principal components explain 100% variance of data set with 300 features 2020-07-11T08:54:03.947

2 Dealing with high dimensionality datasets 2020-09-10T19:09:06.993

2 Why are eigenvectors produced by np.linalg.eig different than the PCA components stored in the instance of the PCA object? 2020-10-11T14:17:43.353

2 How to perform Anomaly Detection on a force profile? 2020-10-28T13:43:51.507

1 Sklearn and PCA. Why is max n_row == max n_components? 2016-04-14T14:32:52.763

1 Does PCA change the values of the data? 2016-07-07T13:47:49.720

1 Looking for an algorithm that correctly clusters visually separable clusters 2016-07-29T08:34:50.377

1 Why training error is larger than validation error after PCA? 2016-11-04T00:58:10.750

1 EOF/PCA/MCA Analysis for a set of data 2016-11-24T14:37:28.680

1 PCA on matrix with large M and N 2016-11-28T16:12:14.203

1 predict rank from physical measurements with various lengths 2017-02-13T11:42:02.953

1 PCA on Neural Networks dimensions reduction? 2017-03-21T06:34:13.777

1 Anomoly detection method selection 2017-04-24T08:00:02.167

1 What happens when you have highly correlated columns in a dataset? 2017-05-16T07:42:27.920

1 Could data from a test set 'leak' into predictor during PCA? 2017-05-28T21:23:23.203