Pca sklearn components_。 首先，*不是numpy数组的点积。这是元素相乘。要执行点积，需要使用np. pyplot as plt from sklearn. 4 A demo of K-Means clustering on the handwritten digits data Principal Component Regression vs Parti Scikit-Learn includes a number of interesting variants on PCA in the sklearn. It is in the decomposition submodule in Scikit-learn. fit_transform(X) # Assume X is having more than 2 dimensions pk. The tutorial covers PCA concepts, sklearn library, and code examples. fit(data_rescaled) reduced = pca. If None, all non-zero Dec 25, 2014 · pca. preprocessing import scale # load iris dataset iris = datasets . Viewed 4k times 0 . uebarogqzqxrakhdgadkrkbmwkvqbtloevxqonpsfjmzjxghoipmoxefvtcikwxrdecerdvsbta