我得到了不同的形状为我的PCA使用sklearn。为什么我的转换没有产生一个像docs所说的相同维度的数组呢?Fit the model with X and apply the dimensionality reduction on X.X : array-like, shape (n_samples, n_features)
Training data, where n_samples is the number of samples and n_features is the number of featur