Programming VIP

Chapter 5 logistic regression algorithm    based on the linear regression algorithm, the logical regression algorithm constructs the conversion function of the dependent variable y, and divides the number of Y into two or more categories of 0-1, so as to realize the classification fitting and prediction of things. 5.1 from linear re ...

Automatic minesweeping is realized with Python+OpenCV, breaking the world record. Let's take a look at the effect first. Intermediate - 0.74 sec 3BV/S=60.81 I believe many people have long known that there is such a classic game (graphics card test) play (software) as mine sweeping, and many people have heard of China's Lei Sheng. It is a ...

Python has many map visualization libraries. Although the Matplotlib library is very powerful, it can only be used for static maps. Today I'm going to talk about interactive map libraries, namely pyecharts and folium. Mastering these two libraries can basically solve your map visualization needs.pyechartsFirst of all, we must talk about the pow ...

Split stringIn Python, strings are represented as str objects, which are immutable: this means that objects represented in memory cannot be changed directly. These two facts can help you learn (and then remember) how to use split().Have you guessed how these two characteristics of strings relate to the splitting function in Python? If you guess ...

OpenCV for feature matching 1.cornerHarris() for corner detection Function CV2 in Open. CornerHarris() can be used for corner detection. The parameters are as follows: * img - Input image with float32 data type. blockSize - The size of the area to be considered in corner detection. * ksize - window size used in Sobel derivation * k - Harris c ...

Before writing the data summary and grouping tool, sort out the requirements. Requirement 1: excel data can be displayed in the list. Requirement 2: it supports data summary by column and multi column grouping summary. Requirement 3: be able to preview the data after grouping summary, and finally save the grouped summary data to a new excel dat ...

Official account: Special HouseAuthor: PeterEditor: Peter Hello, I'm Peter~ Scikit learn is a well-known Python machine learning library, which is widely used in data science fields such as statistical analysis and machine learning modeling. Modeling invincible: users can realize various supervised and unsupervised learning models through ...

Today's content socket programming Simple server and client code implementation Communication cycle Packet sticking (TCP protocol) Header making, struct module and packaging form Detailed content 1, socket programming Implement a program that can interact with data. When they exchange information, they have to transmit data through the net ...

Catalog 1. Basic structure of main program 1. Install and import Flask 2. Create Flask objects (an important step, don't forget) 3. Write the main program 4. Routing 5. Complete Code 2. Rendering Web Pages 3. Defining the Split-mirror Correlation Function 1. Define a frame-cutting function and call it 2. Hash Mean Scanning 3. Histogr ...

hello everyone!Whether you admit it or not, data cleaning is not a simple task. In most cases, this work is very time-consuming and boring, but it is very important.If you go through the process of data cleaning, you will understand what I mean. This is the purpose of writing this article - to make it easier for readers to clean data.In fact, I ...