knn算法鸢尾花的相关内容

文章 2022-10-22 来自：开发者社区

python KNN分类算法使用鸢尾花数据集实战

KNN分类算法，又叫K近邻算法，它概念极其简单，但效果又很优秀。如觉得有帮助请点赞关注收藏啦~~~KNN算法的核心是，如果一个样本在特征空间中的K个最相似，即特征空间中最邻近的样本中的大多数属于某一个类别，则该样本也属于这个类别1：K值K值也就是选择几个相邻的作为测量2：距离的度量距离...

问答 2022-07-28 来自：开发者社区

怎么用python机器学习的KNN算法实现对鸢尾花数据集的分类？求详细代码

文章 2022-06-13 来自：开发者社区

【人工智能】机器学习之Python使用KNN算法进行电影类型预测以及使用KNN算法对鸢尾花进行分类

1. 使用KNN进行电影类型预测：给定训练样本集合如下：求解：testData={"老友记": [29, 10, 2, "？片"]}。解题步骤： 1.计算一个新样本与数据集中所有数据的距离 2.按照距离大小进行递增排序 3.选取距离最小的k个样本 4.确定前k个样本所在类别出现的频率，并输出出现频率最高的类别import numpy as np def createDataset()...

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python KNN分类算法 使用鸢尾花数据集实战