Classification using kNN algorithm python implementation

Ideas and steps of kNN algorithm The basic idea of kNN algorithm is as follows: Suppose there are n samples in the sample set, which have discrimination on m features, and they belong to one of 0 or 1 respectively. Suppose the eigenvector of the ith sample is ( a ...

Posted by phpcharan on Thu, 16 Sep 2021 02:17:28 +0200

September deep learning summary

1. Debug the program with breakpoints in pycharm to understand the logic of each line of code How to enable debug debugging: if name = = 'main': (referenced in the figure below) https://mp.weixin.qq.com/s/YNfoI-KbUg6jLaWUya-21g) The meaning of setting breakpoints: breakpoint debugging is actually that you mark a breakpoint at a certain place i ...

Posted by kelly3330 on Wed, 15 Sep 2021 23:30:50 +0200

Pyecarts mapping

        Recently, writing PPT needs the whole summary diagram. It's easier to find it in python. Don't talk more nonsense. Record your experience.   1, Initial simple picture Take Xinjiang as an example, because the plot map of Xinjiang is relatively irregular (is the name too long, the point too close, and I'm confuse ...

Posted by readourlines on Wed, 15 Sep 2021 19:35:52 +0200

Standard process of machine learning modeling for Python data analysis (data engineering + modeling parameter adjustment + model evaluation + whole process visualization)

Author CSDN: Sisyphus of the attack Link to this article: https://blog.csdn.net/qq_42216093/article/details/116994199 Copyright notice: This article is the author's original article. Reprint requires the consent of the author Nowadays, machine learning is hot, and Python is the most commonly used implementation of machine learning for ...

Posted by XxDeadmanxX on Tue, 14 Sep 2021 04:58:38 +0200

python - basic introduction exercise 02

  catalogue 1. Title: (Science: wind cold temperature) how cold is it outdoors? Temperature alone is not enough to provide an answer. Other factors: wind speed, relative temperature and light all have a great impact on the outdoor cold degree. Write a program to prompt the user to enter a temperature between - 58 ° F and 41 ° F and a ...

Posted by mikawhat on Sun, 12 Sep 2021 03:40:03 +0200

Nested cross validation

20210911 0. Introduction In most cases, machine learning experiments are divided directly by train test. Generally speaking, this method has little impact on the data set with relatively small data set, but it is biased for the data set with relatively small data set. (I remember it was said in a book, and it was also mentioned in the course ...

Posted by Rocu on Sun, 12 Sep 2021 00:10:02 +0200

python implementation of Huffman tree and tree structure visualization

Preface The principle of the Huffman tree and its python implementation: Q's knowledge blind spot in the recent interview, only remember the noun does not know its meaning. After three years of work, what you learned during the entrance examination for postgraduate studies is basically returned to the teacher. In addition to the list wor ...

Posted by D3xt3r on Sat, 11 Sep 2021 18:27:02 +0200

Write an RPA example using TagUI and Robocorp

RPA example RPA software There are many open source RPA software, which will be used next TagUI,Robocorp and WeAutomate Studio As an example, WeAutomate Studio is Huawei's RPA tool, and the developer designer has a 3-month trial period. TagUI TagUI is maintained by AI Singapore. It is an RPA command line interface tool that can run on any m ...

Posted by juneym on Sat, 11 Sep 2021 05:05:56 +0200

The origin of flash flash, the construction of virtual environment, the creation of the first flash program, and the interpretation of flash program

1 what is flash? Flask was originally an April Fool's Day joke by author Armin Ronacher on April 1, 2010, but later became very popular and became a formal web framework written in python Flask is a Web micro framework written in Python, which allows us to quickly implement a website or Web service using Python language. Before introducing ...

Posted by dukeu03 on Sat, 11 Sep 2021 02:21:35 +0200

"Python core technology and practice" Python "black box": input and output?

Python "black box": input and output? 1, Input / output basis Python program is also a black box: data is delivered through the input stream and processed data is sent out through the output stream. Maybe there is a person hidden behind the Python interpreter or a Slytherin? No one cares. The simplest direct input comes from ...

Posted by laeelin on Fri, 10 Sep 2021 09:19:14 +0200