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1.1.2 Ridge Regression(岭回归) 岭回归和普通最小二乘法回归的一个重要差别是前者对系数模的平方进行了限制。例如以下所看到的: In [1]: from sklearn import linear_model In [2]: clf = linear_model.R linear 阅读全文
摘要:
1601. AntiCAPS Time limit: 0.5 second Memory limit: 64 MB The blonde Angela has a new whim: internet chats. Of course, as any blonde, shewrites her me 阅读全文