文章整合

numpy--数据清洗

文章目录数据清洗 1 脏数据 4 数据预处理 27 清洗数据 42 数据清洗脏数据通常我们获得的数据不可能都是百分百无错误的，一般都会存在一些问题，比如数据值缺失、数据值异常大或小、格式错误和非独立数据错误。通过下面代码生动生成一组脏数据,如图所示在最后一行输出了一个dtype =...
2022-07-07 13:26【madkeyboard】
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numpy--疫情数据分析案例

文章目录前期准备 1 数据分析 22 获取 2020 年 2 月 3 日的所有数据 2020 2 3 24 / / 2020 年 1 月 24 日之前的累积确诊病例有多少个？/ / 2020 1 24 35 / / 从 1 月 25 日到 7 月 22 日，一共增长了多少确诊病例？/ / 1 2...
2022-07-07 13:26【madkeyboard】
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numpy---基础学习笔记

numpy Numpy和List NumpyList 1 维度 34 数据选择 161 基础运算 209 改变数据形态 245 Numpy和List List能做的功能大致和Numpy是差不多的，但是Numpy的优势在于运算非常的快，因为Numpy在存储上是用电脑的一块连续的物理地址存储数据，...
2022-07-07 13:26【madkeyboard】
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It's different for rich people to buy a house

Last week, a friend asked me about a real estate in Huangpu District , Said he was thinking about buying a house recently , Want to know more about s...
2022-07-07 15:46【Love development V】
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A wave of open source notebooks is coming

965792f561b0bbf739be3171c697e1d0.jpeg https://img blog.csdnimg.cn/img convert/965792f561b0bbf739be3171c697e1d0.jpeg “ Copy ” You should not be unfami...
2022-07-07 15:46【Cut a little cold】
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Syntaxhighlight highlights the right scroll bar

SyntaxHighlighter Has become the mainstream , But on display , Although all the findings have been shown , But there is still a scroll bar on the righ...
2022-07-07 15:47【Programmer community】
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TS typescript type declaration special declaration field number is handled when the key key

Numbers are named for keys const data :{ key: number : string} = { 1: 'a', 2: 'b' } // data 1 = 'a' // data 2 = 'b' When the object key returned b...
2022-07-07 15:47【Sam young】
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TS as a general cache method

Create a file tool export interface IStorageStore { // / Expiration time / / expiredAt: number; // / Saved content / / value: any; } export inte...
2022-07-07 15:47【Sam young】
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Simple understanding and application of TS generics

What is generics Simply speaking , Generic refers to a type in different places , There are different values , Listed below function creatValue a...
2022-07-07 15:47【Sam young】
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Function: JS Click to copy content function

Go straight to the code // / Copy content / / export function handleCopy value: string { // / Create a input Elements By executing the selecti...
2022-07-07 15:47【Sam young】
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Learn good-looking custom scroll bars in 1 minute

design sketch https://img blog.csdnimg.cn/dbf7444708b04236b3aec4cac105733a.gif css // Define the height, width and background of the scroll bar ...
2022-07-07 15:47【Sam young】
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Align individual elements to the right under flex layout

div class='father' div On the left /div div class='right' On the right /div /div .father { display: flex; } .right { margin left: auto } // / Or...
2022-07-07 15:47【Sam young】
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Vite path alias @ configuration

vite.config.ts Official configuration details https://cn.vitejs.dev/config/ resolve.alias To configure const path = require 'path' ; import { def...
2022-07-07 15:48【Sam young】
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JS array foreach source code parsing

// The original method method Array number .forEach callbackfn: value: number, index: number, array: number = void, thisArg?: any : void notice fo...
2022-07-07 15:48【Sam young】
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nodejs package. JSON version number ^ and~

package.json 'devDependencies': { 'babel loader': '~8.1.0', 'concurrently': '^5.2.0', 'eslint': '7.5.0', } You can see the version number correspond...
2022-07-07 15:48【Sam young】
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Three. JS introductory learning notes 00: coordinate system, camera (temporarily understood)

I didn't understand some problems in learning orthographic camera thoroughly , Sort out the temporary understanding here , I'll fix it later , Xiaoba...
2022-07-07 15:48【Jiang Duoduo_ Mostly Harmless 】
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Three. JS introductory learning notes 04: external model import - no material obj model

Reference learning ： Three.js Getting started https://www.ituring.com.cn/book/miniarticle/53810 https://www.ituring.com.cn/book/miniarticle/53810 E...
2022-07-07 15:48【Jiang Duoduo_ Mostly Harmless 】
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Three. JS introductory learning notes 03: perspective projection camera

Reference Content ： https://www.ituring.com.cn/book/miniarticle/49446 https://www.ituring.com.cn/book/miniarticle/49446 / / Perspective projection c...
2022-07-07 15:48【Jiang Duoduo_ Mostly Harmless 】
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Three. JS introductory learning notes 0: illustration of how webgl and threejs work

Reference Content https://www.jianshu.com/p/67809ccba021?tdsourcetag=s pcqq aiomsg https://www.jianshu.com/p/67809ccba021?tdsourcetag=s pcqq aiomsg ...
2022-07-07 15:48【Jiang Duoduo_ Mostly Harmless 】
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Three. JS introductory learning notes 05: external model import -c4d into JSON file for web pages

Reference learning ： https://www.jianshu.com/p/906072e60197 https://www.jianshu.com/p/906072e60197 https://blog.csdn.net/qq 30100043/article/details/...
2022-07-07 15:48【Jiang Duoduo_ Mostly Harmless 】
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