Question: PCA on Olivetti dataset Load the Olivetti face images dataset from sklearn. (sklearn.datasets.fetch_olivetti_faces). Vectorize the images and apply PCA. Plot the eigenvalues. Display the mean

PCA on Olivetti dataset Load the Olivetti face images dataset from

PCA on Olivetti dataset Load the Olivetti face images dataset from sklearn. (sklearn.datasets.fetch_olivetti_faces). Vectorize the images and apply PCA. Plot the eigenvalues. Display the mean image and first 20 principal components. Represent a face image using different numbers of principal components (say, 5, 10, 40, 200) and compare the representations with the original image. Use scatter plot to represent all images on a 3D space using the first 3 principal components

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