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Undefined function 'mean_squared_error' for input arguments of type 'table'.

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Sanchit
Sanchit 2023-7-9
回答： Walter Roberson 2023-7-9
rf_classifier = TreeBagger(100, X_train, y_train,'Method','classification','OOBPredictorImportance', 'On');
Undefined function 'mean_squared_error' for input arguments of type 'table'.
Error in RF_Classification (line 39)
oob_mse = mean_squared_error(y_train, predict(rf_classifier, X_train));
Undefined function 'loss' for input arguments of type 'TreeBagger'.
Error in RF_Classification (line 45)
test_accuracy = 1 - loss(rf_classifier, X_test, y_test);
I request you to kindly help me out to fix these above errors.
Thank you very much.
Sanchit Singh

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回答（1 个）

Walter Roberson
Walter Roberson 2023-7-9
When you call TreeBagger there are two different syntaxes:
TreeBagger(NUMBER, X, Y)
or
TreeBagger(NUMBER, TABLE, ...)
You are using the NUMBER, X, Y syntax, but your y_train is a table()

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