Data mining learning notes (Tianchi used car prediction 02)

1. Data analysis EDA 1. The value of EDA mainly lies in being familiar with the data set, understanding the data set, and verifying the data set to determine that the obtained data set can be used for subsequent machine learning or in-depth learning. 2. After knowing the data set, our next step is to understand the relationship between var ...

Posted by tHud on Sat, 05 Mar 2022 03:16:58 +0100

Use the crawler to crawl the articles and problems recently published on your csdn home page

catalogue Code: Summary: Code: import requests from bs4 import BeautifulSoup import re def getHTML(url): headers={ "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/98.0.4758.102 Safari/537.36 Edg/98.0.1108.56" } try: r=requests.get(url,headers=headers) ...

Posted by lucianbeauty on Sat, 05 Mar 2022 02:56:28 +0100

Jetson information is used for simple neural network classification training on jetson nano

A simple classification training is carried out on the jetson nano development board 1. jetson inference Library Download, compilation and simple use Here please refer to: Github: https://github.com/dusty-nv/jetson-inference Gitee: https://gitee.com/jinwei_1/jetson-inference#https://www.youtube.com/watch?v=QXIwdsyK7Rw&list=PL5B692fm6 ...

Posted by nolos on Sat, 05 Mar 2022 02:29:58 +0100

Python little crawler collaborative process crawler quickly get started

preface Crawler is a good thing. I want to use it recently, so I'll send out the previous little things and write a few blogs~ Synergetic process First of all, it is clear that the thread is not multi-threaded, and the thread is still a single thread in essence. However, the characteristic of this thread is that when the current thread e ...

Posted by adamh91 on Sat, 05 Mar 2022 01:05:18 +0100

Numpy learning record

Application of time date correlation - datetime64 numpy.busday_offset (dates, offsets, roll='raise', weekmask='1111100', holidays=None, busdaycal=None, out=None) First adjusts the date to fall on a valid day according to the roll rule, then applies offsets to the given dates counted in valid days. This function is used to determine wheth ...

Posted by bongbong on Fri, 04 Mar 2022 23:40:13 +0100

streamlit: a sharp tool for Algorithm Engineers to quickly write demo s

This article was first published in: Walker AI In their work, algorithm engineers often need to quickly write some demo, such as quickly demonstrating some algorithms, or writing tools for data annotation. The common implementation method is that algorithm engineers try to write APIs with flash and other frameworks, and then front-end engine ...

Posted by thenewperson on Fri, 04 Mar 2022 23:15:20 +0100

Use Baidu ueeditor rich text editor in django project

Get ueeditor Download UEditor source code from the official website. There is no UEditor in the downloaded source code all. JS file. You need to use grunt to package the source package into a deployment Version (including ueditor.all.js file) Install node jsGlobal install grunt (NPM install - G grunt CLI)The command line switches the director ...

Posted by jami3 on Fri, 04 Mar 2022 22:50:34 +0100

Python calculator tutorial

This article has two versions of the calculator. Below is the table of contents Let's start with the box calculator Framed calculator For this calculator, we use the Tkinter library that comes with Python # Import tkinter Library import tkinter We need to do some basic operations on the window # Get a window window = tkinter.Tk() # Se ...

Posted by pneudralics on Fri, 04 Mar 2022 20:01:24 +0100

List of python algorithms

List of python algorithms Basic Usage car = ['audi','bmw','benchi','lingzhi'] Create a list of numbers numbers = list(range(1,4)) >>> print(numbers) [1, 2, 3] Access values in the list car = ['audi','bmw','benchi','lingzhi'] >>> print(car[0].title()) Audi >>> print(car[2].title()) Benchi #The title() method ...

Posted by wildncrazyath3rt on Fri, 04 Mar 2022 19:34:38 +0100

Method of capturing hydrological data through picture recognition

In 2018, due to the development of a large water conservancy Province Hydrological data website After the revision, the hydrological data of the province are changed into small pictures with a height of 13px. For example, the three pictures below represent the station name, upstream water level and downstream water level respectively: After d ...

Posted by rbudj on Fri, 04 Mar 2022 18:22:50 +0100