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添加注释，添加 1988 的链接

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jiangzhonglian
2017-08-29 18:06:20 +08:00
parent 2b63d1a777
commit 4428237203
2 changed files with 5 additions and 5 deletions
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6
docs/13.利用PCA来简化数据.md
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@@ -140,8 +140,8 @@ def pca(dataMat, topNfeat=9999999):
dataMat 原数据集矩阵
topNfeat 应用的N个特征
Returns:
lowDDataMat
reconMat
lowDDataMat 降维后数据集
reconMat 新的数据集空间
"""
# 计算每一列的均值
@@ -215,6 +215,6 @@ def pca(dataMat, topNfeat=9999999):
* * *
* **作者：[片刻](http://www.apache.wiki/display/~jiangzhonglian)**
* **作者：[片刻](http://www.apache.wiki/display/~jiangzhonglian) [1988](http://www.apache.wiki/display/~lihuisong)**
* [GitHub地址](https://github.com/apachecn/MachineLearning): <https://github.com/apachecn/MachineLearning>
* **版权声明：欢迎转载学习 => 请标注信息来源于 [ApacheCN](http://www.apachecn.org/)**

4
src/python/13.PCA/pca.py
View File

@@ -26,8 +26,8 @@ def pca(dataMat, topNfeat=9999999):
dataMat 原数据集矩阵
topNfeat 应用的N个特征
Returns:
lowDDataMat
reconMat
lowDDataMat 降维后数据集
reconMat 新的数据集空间
"""
# 计算每一列的均值