python交叉驗證train_test_split(old:cross validation)實現

一、理論 交叉驗證分爲三種，holdout驗證（二折驗證）、K折交叉驗證、留一驗證。html 二、實現 ##test cross validation import numpy as np from sklearn.model_selection import train_test_split from sklearn import datasets from sklearn import sv

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