pca
How to find the closest 2 points in a 100 dimensional space with 500,000 points?
I have a database with 500,000 points in a 100 dimensional space, and I want to find the closest 2 points. How do I do it?[详细]
2023-01-19 14:48 分类：问答PCA: What's wrong with this algorithm?
Can someone please either confirm or correct this Wikipedia algorithm for computing the first principal component?I want a simple implementation of PCA in D, which doesn\'t have any existing libraries[详细]
2023-01-15 07:45 分类：问答C++ vs PHP performance on PCA
May I know whether C++ or PHP is more efficient on running PCA (Principal Component Analysis)? I\'m developing a web based system which get uploaded image with php, and then process the image so that[详细]
2023-01-07 12:22 分类：问答SVM Visualization in MATLAB
How do I visualize the SVM classification once I perform SVM training in Matlab? So far, I have only trained the SVM with:[详细]
2022-12-27 06:01 分类：问答Principal component and Factor Analysis
I have some question regarding principal component and factor analysis. For PCA, does it matter whether the eigenvalues are computed from the covariance matrix or the correlation matrix É[详细]
2022-12-13 18:05 分类：问答Principal component analysis in Python
I\'d like to use principal component analysis (PCA) for dimensionality reduction.Does numpy or scipy already have it, or do I have to roll my own using numpy.linalg.eigh?[详细]
2022-12-11 14:36 分类：问答
![Interactive visualization of a graph in python [closed]](https://www.devze.com/res/2023/04-10/09/92d32fe8c0d22fb96bd6f6e8b7d1f457.gif)
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