K-nearest neighbor method

例句：

1. 1.The K-nearest neighbor method is used to classify images based on their similarity to known samples.
   K-最近邻方法用于根据与已知样本的相似度对图像进行分类。
2. 2.In machine learning, the K-nearest neighbor method is a popular technique for classification and regression tasks.
   在机器学习中，K-最近邻方法是一种常用的分类和回归任务技术。
3. 3. The K-nearest neighbor method has been shown to be effective in solving real-world problems such as image recognition and speech recognition.
   K-最近邻方法已被证明在解决实际问题如图像识别和语音识别方面是有效的。