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2.一个完整的机器学习项目.md 一个变量名错了

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## “使用交叉验证做更佳的评估”小节中， >>> def display_scores(scores): ... print("Scores:", scores) ... print("Mean:", scores.mean()) ... print("Standard deviation:", scores.std()) ... >>> display_scores(tree_rmse_scores) 最后一行的“tree_rmse_scores”应该是“rmse_scores”

Error during negotiation request. Failed to connect to localhost/127.0.0.1:8888

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It's working well when the signalr service deploy on the azure. Thanks. But I also want to debug the signalr serivce on local computer with IIS Express, using code: connection...