Data mining project: Titanic survival prediction

Data set comes from kaggle classic competition data set I. purpose According to the information in the data set, we use python machine learning to predict the survival of Titanic passengers. 2, Dataset My dataset has three formats: test, train and genderclassmodel, all in csv format Fields in test and ...

Posted by jplock on Sat, 22 Feb 2020 22:20:40 -0800

Natural language processing: reading PDF document and creating word cloud

Like, pay attention to, and form good habits For details of the series of courses, please refer to superstar learning link: https://me.chaoxing.com (click to link) Welcome to guide 1. Preface Recently, superstar learning general course needs several cover pictures (the template picture is not sat ...

Posted by insanityonline on Sat, 22 Feb 2020 21:12:52 -0800

Crawling more than 200000 pictures of mn52 beauties website with the framework of scratch, and packing them into exe executable file

Target website: https://www.mn52.com/ The code of this article has been uploaded to git and Baidu. The link is shared at the end of the article Website overview     Target, grab all the pictures using the graph framework and save them locally. 1. Create a sketch project scrapy startproject images 2. Create a spider cd images scrapy genspide ...

Posted by Hagaroo on Sat, 22 Feb 2020 20:51:09 -0800

Computer vision -- the basis of image processing

Catalog 1. PIL-Python image library 1.1 image gray processing code implementation Operation result 1.2 adjustment of dimensions and rotation code implementation Operation result 2. Matplotlib Library 2.1 drawing, tracing points and lines code implementation Operation result 2.2 image outline ...

Posted by gordonrp on Sat, 22 Feb 2020 20:04:12 -0800

python3-cookbook notes: Chapter VI Data Encoding and Processing

Each section in the python3-cookbook explores the best solution of Python 3 to a given problem in three parts: problem, solution, and discussion, or how Python 3's own data structure, functions, classes, and so on, can be better used in a given problem.This book is very helpful for understanding Python 3 and improving Python programming capabil ...

Posted by Slashscape on Sat, 22 Feb 2020 08:48:46 -0800

[Python data visualization] Matplotlib learning notes

[Python data visualization] Matplotlib learning notes (1) Introduction: Matplotlib is a Python 2D drawing library, which generates publishing quality graphics in various hard copy formats and cross platform interactive environments. With Matplotlib, developers can generate graphs, histograms, power ...

Posted by jwilley on Sat, 22 Feb 2020 06:33:43 -0800

Java web crawler Foundation

Catalog 1, Use URL class 2, Use HttpURLConnection to send GET request 3, Use HttpURLConnection to send POST request 4, Download case Compared with python, Java crawler is a bit more complex. A few lines of python code can grab a web page. Java may need dozens of lines or even more, so python has m ...

Posted by curtisdw on Sat, 22 Feb 2020 05:09:06 -0800

python requests log in to e-rui authorized access system and urp integrated educational administration system

Using Python requests library to crawl educational administration system When I was a sophomore, I felt that the school's educational administration system was particularly backward. It was very troublesome to use the functions of score query and schedule check. At that time, the official account of t ...

Posted by Dima on Fri, 21 Feb 2020 23:10:08 -0800

Using Python script to clean up es data

Demand background The business system stores all kinds of reports and statistical data in ES. Due to historical reasons, the system makes statistics in full amount every day. As time goes on, the data storage space of ES is under great pressure. At the same time, because the use of ES index is not well planned, some indexes even exceed the max ...

Posted by beefy23 on Fri, 21 Feb 2020 03:37:14 -0800

Python 3-cookbook notes: Chapter 3 digital date and time

Each section of Python 3-cookbook discusses the optimal solution of Python 3 in a certain kind of problem by three parts: problem, solution and discussion, or how to better use the data structure, function, class and other features of Python 3 in a certain kind of problem. This book is of great help to deepen the understanding of Python 3 and i ...

Posted by Steve Angelis on Fri, 21 Feb 2020 01:52:28 -0800