Though conventional PID control based on accuracy model is possessed of simple structure, good robustness and high reliability, it is difficult to get the precise parameters of PID controller.

基于精确模型的常规pid控制具有结构简单、鲁棒性好和可靠性高的特点，但是其参数整定烦琐。

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After we create the model, we check to ensure that the accuracy of the model we built doesn't decrease with the test set.

在创建了模型后，我们要进行检查以确保我们所创建模型的准确性不会在测试集降低。

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You'll see in this example, that the accuracy of the model actually decreases with the inclusion of additional neighbors.

在本例中您将会看到随着加入更多的邻，模型的准确率实际上却降低了。

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To ensure accuracy, it uses the actual fossilized skeletal bones to the greatest extent possible when constructing the model.

VOA: standard.2009.12.08

But perhaps more interesting than the accuracy of the model is what it reveals about the language that our would-be political leaders have us listen to.

FORBES: How Mathematical Modeling Of Speech Text Can Predict Presidential Election Outcomes

The technical set amongst us can easily get lost in the numbers, looking for continual refinements to increase the accuracy of a model by a few hundredths of a percent.

FORBES: On Models & Why Arsenal Must Invest ?120M To Compete for the EPL Title

There's an economic model that predicts with 96 percent accuracy who's going to win.

NPR: Using Economics To Predict Olympic Medal Standings