TF-IDF, TextRank, WordCount three methods to achieve English keyword extraction (python Implementation)

Source code: https://github.com/Cpaulyz/BigDataAnalysis/tree/master/Assignment2 Data preprocessing Before keyword extraction, you need to perform a series of preprocessing on the source file: Extract PDF as TXT file Clause Word segmentation (stem extraction, word form restoration) Filter numbers, special characters, etc., case conversion Extr ...

Posted by nel on Sun, 15 May 2022 09:05:45 +0300

[IT goose C/C + + Series Courses] pretty boy, I want to learn programming. Why tell me about the operating system?

Day01: Let's regain our love for our dream lover C and C + + [IT C/C + + Series Courses] Operating System Fundamentals Course A "shuangwen" programming tutorial of "against the sky" BILIBILI IT goose BILIBILI@IT goose Course introduction: [C/C + + Series Courses] Operating System Fundamentals Course This cours ...

Posted by PHPcoder25 on Sun, 15 May 2022 00:51:08 +0300

[2020-09-24] Zhihu simulated login -- selenium

Disclaimer: This article is only for study and research. It is prohibited to use it for illegal purposes. Otherwise, the consequences will be at your own risk. If there is any infringement, please inform and delete it, thank you! Project scene: This time I bring you the selenium automatic login of Zhihu, using the qq authorized login entran ...

Posted by navarre on Sat, 14 May 2022 19:44:23 +0300

Python based string processing

What is a string 1. In Python, strings are enclosed in single or double quotation marks. 2. Strings can also be enclosed in six single quotes or six double quotes. 3. In Python 3, strings are divided into two types. The first is str, which is a unicode string, and the second is bytes, which is an encoded string. It is a bytecode, which is suit ...

Posted by splat78423 on Sat, 14 May 2022 17:40:57 +0300

How to login campus network gracefully with Python?

preface The idea of today's article comes from the campus network. Many campus networks need to enter a website to log in every time they connect. This step is really very troublesome (college students know ~). So this time I'll teach you how to log in to the campus network with one click. Many people learn python and don't know where to star ...

Posted by silvermice on Sat, 14 May 2022 17:20:41 +0300

Python zipper method and open address method to realize dictionary

Python dictionary is the most flexible built-in data structure type in Python besides list. A list is an ordered combination of objects, and a dictionary is an unordered collection of objects. The difference between the two is that the elements in the dictionary are accessed by keys, not by offsets. Using subscript index in the list can quickly ...

Posted by shaunmckinnon on Sat, 14 May 2022 13:59:23 +0300

Markdown novice learning

MARKDOWN 1, Title 1. Use the # number to indicate the title, and the # number must be at the beginning of the line, For example: # Primary title ## Secondary title ### Tertiary title #### Four level title ##### Five level title ###### Six level title Code running result: Primary title Secondary title Tertiary title Four level title F ...

Posted by kujtim on Sat, 14 May 2022 12:18:27 +0300

[western method takes you to learn algorithm] get the prefix and

I spent a few days selecting five topics with the same ideas from the force button to help you solve the problem. If you think the article is useful to you, remember to praise and share it. Let me see your recognition and have the motivation to continue to do it. 467. The unique substring in the surrounding string (medium) 795. Number of int ...

Posted by caspert_ghost on Sat, 14 May 2022 09:02:30 +0300

Preliminary study on ridge regression and LASSO regression (implemented in python)

As a rookie who has studied artificial neural network, I just heard about ridge regression estimation and LASSO estimation two days ago, and the statistics teacher also assigned homework. However, I didn't understand it very well and wrote it in Python. I don't know whether it is correct or not. Please do not hesitate to give advice where it is ...

Posted by LostKID on Sat, 14 May 2022 08:13:32 +0300

Add a small flag (small moon cake) to your avatar in Python

Today is national day and Mid Autumn Festival. First of all, I wish you a happy holiday. In this article, we use Python to add a small national flag or small moon cake to our avatar. national flag For the national flag, we can use Python to draw one. The python library used is the familiar turtle. The constituent elements of our five-star red f ...

Posted by bouwob on Sat, 14 May 2022 06:46:30 +0300