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import pandas as pd | |
import numpy as np | |
import matplotlib.pyplot as plt | |
from sklearn.decomposition import NMF | |
from sklearn.decomposition import PCA | |
from sklearn.decomposition import TruncatedSVD as SVD | |
from sklearn.metrics import mean_absolute_error as mae | |
from sklearn.metrics import explained_variance_score as evs | |
from sklearn.metrics import mean_squared_error as mse |