English
全部
图片
视频
地图
资讯
购物
Copilot
更多
航班
旅游
笔记本
Top stories
Sports
U.S.
Local
World
Science
Technology
Entertainment
Business
More
Politics
时间不限
过去 1 小时
过去 24 小时
过去 7 天
过去 30 天
最佳匹配
最新
新浪网
5 年
one-hot encoding不是万能的,这些分类变量编码方法你值得拥有
one-hot encoding 是一种被广泛使用的编码方法,但也会造成维度过高等问题。因此,medium 的一位博主表示,在编码分类变量方面,我们或许还有更好的选择。 one-hot 编码(one-hot encoding)类似于虚拟变量(dummy variables),是一种将分类变量转换为几个二进制列的方法。
一些您可能无法访问的结果已被隐去。
显示无法访问的结果
今日热点
Judge blocks subpoenas
Missing 9-year-old found
US embassy in Iraq hit
Protesters riot in Cuba
US flag raised in Venezuela
New WH visitor screening
Shiffrin wins World Cup race
Today in history: 1965
Closing emergency room
Israeli soldiers kill 4
Appeals for ceasefire
Won’t run for US Senate
Threatens media licenses
How to watch Oscars 2026
Motorhead guitarist dies
Vietnam holds general election
Russian attack on Kyiv region
US reaches WBC semifinals
Qatar Grand Prix postponed
DOJ drops prosecution
Trump: US attacks Kharg Island
Anti-ICE protesters convicted
Race data demand blocked
German philosopher dies
Epstein jail guard to testify
Tanker attacked in Black Sea
Trump endorses Hern
Charges dismissed for teens
NK fires missiles toward sea
Three more decline asylum
US to receive $10B in deal?
反馈