sklearn machine learning regression process based on python language
Using the sklearn package of python language to realize the basic machine learning operation is very simple. After all, we only need to call part of the source code.
Basic machine learning operations are nothing more than four parts:
Import corresponding packages and dataData preprocessing;Model establishment and fittingModel evaluation and p ...
Posted by pristanski on Wed, 09 Mar 2022 08:29:32 +0100
[learning notes] network programming
1. Introduction to network programming
link
1.1 what is a computer network?
packet What is a TCP connection? phone What is a UDP connection? send emails What is computer network? It refers to a computer system that connects multiple computers and their external devices with independent functions in different geographical locations throug ...
Posted by lopes_andre on Tue, 08 Mar 2022 09:47:13 +0100
Python crawler actual combat + data analysis + data visualization (car home)
With the development of economy and the progress of science and technology, the car has become a necessary means of transportation for every family. In addition, the prerequisite for marriage is to have a car and a house, which virtually aggravates the pressure of male compatriots. At this time, we need a car urgently. The second-hand car marke ...
Posted by Base on Mon, 07 Mar 2022 21:07:56 +0100
[e-commerce data analysis case] sales analysis of an e-commerce in the UK
1, Analysis purpose and data source
Analysis purpose:
Understand the sales situation of the e-commerce platform from three aspects: products, customers and time zone;Identify important business standards to isolate customers and group customers into different value clusters to run targeted marketing strategies, reduce operating costs and impr ...
Posted by George W. Bush on Mon, 07 Mar 2022 17:04:52 +0100
python data analysis tool
python data analysis tool
The data analysis function of python itself is not strong, so we need to install some third-party extension libraries to enhance its corresponding functions.
Extension library related to python data analysis and mining;
expanded memory bankbrief introductionNumPyProvide array support and corresponding efficien ...
Posted by MissiCoola on Mon, 07 Mar 2022 12:37:01 +0100
JimuReport building block report v1 Version 4.3 release, free visual low code report
Project introductionBuilding block report, a free Visual Web Report tool, online drag and drop design like building blocks! Functions include data report, print design, chart report, large screen design, etc!Adhering to the product concept of "simple, easy-to-use and professional", it greatly reduces the difficulty of report developme ...
Posted by vertmonkee on Mon, 07 Mar 2022 10:59:10 +0100
Python learning process problem record: Dane Xu Ming data analysis quick start (problems encountered in code compilation in 2022)
catalogue
preface
Question 1: Chinese display of matplotlib drawing
Question 2: the X-axis time of the graph always shows 1970
1. Problem description
2. Causes of problems
3. Solutions
Question 3. Difference of synthetic square wave caused by one bracket
1. Problem description
2. Causes of problems
3. Problem analysis
Qu ...
Posted by Nuv on Sun, 06 Mar 2022 11:46:21 +0100
Zero basis entry data mining - used car transaction price prediction Task2
The main task of Task 2 is data exploratory analysis
1, EDA introduction and purpose
Introduction:
EDA (exploratory data analysis) refers to a data analysis method that explores the existing data under as few a priori assumptions as possible and explores the structure and law of the data by means of drawing, index, equation fitting, calculat ...
Posted by apervizi on Sat, 05 Mar 2022 06:48:52 +0100
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
Financial data analysis - DataJoy bank customer purchase forecast
This forecast relates to the marketing activities of Portuguese banking institutions. These marketing activities are generally based on telephone. The customer service personnel of the bank contact the customer at least once to confirm whether the customer is willing to buy the bank's products (time deposit). The basic type of task is classifie ...
Posted by WildcatRudy on Fri, 04 Mar 2022 16:43:00 +0100