How to detect random walk and white noise in time series prediction

introduce No matter how powerful, machine learning cannot predict everything. For example, in the field related to time series prediction, the performance is not very good. Although a large number of autoregressive models and many other time series algorithms are available, the target distribution cannot be predicted if the target distribut ...

Added by atoboldon on Mon, 17 Jan 2022 00:52:35 +0200

I used Python to analyze a wave of hot new year goods. It turns out that everyone is buying these things?

I don't know how many little friends stay in place for the new year this year. Although I can't go back to my hometown this year, I have to buy new year goods and give gifts to my family and elders. So out of curiosity, I used the crawler to obtain the data of a treasure, and combined with Python data analysis and third-party visualization plat ...

Added by RockRunner on Thu, 13 Jan 2022 14:05:04 +0200

seaborn, a detailed data visualization artifact, can quickly realize the visualization of statistical data

Hello, everyone. Seaborn, which is based on Matplotlib, is a Python library for making statistical graphics. The content of this article is long. It is recommended to read it slowly after collection. Seaborn's advantages: Rich charts, easier to use than matplotlib Combined with pandas Support value type multivariable diagram Support value ...

Added by Zallus on Wed, 12 Jan 2022 07:08:46 +0200

The 3rd Xiamen International Bank digital innovation finance cup financial marketing modeling competition BaseLine

The 3rd Xiamen International Bank digital innovation finance cup financial marketing modeling competition BaseLine 1. Competition background With the development of science and technology, the bank has successively created rich and diverse customer contacts online and offline to meet the needs of customers for daily business handling and ch ...

Added by JTapp on Mon, 10 Jan 2022 07:57:16 +0200

The epidemic data were crawled and analyzed by python

Crawl the latest epidemic data with Python The data of this major epidemic may change all the time. This blog will explain how to crawl real-time epidemic data, analyze the data and make the effect of data visualization. Summary of the report: Analysis of epidemic situation in China 1.1 display the specific situation of epidemic situation i ...

Added by kritikia on Thu, 06 Jan 2022 16:29:38 +0200

How to use Python to obtain the fund market and analyze the fund with excellent annual performance to unlock the secret of making money?

Yesterday was the first working day of 2022 and the first trading day of the domestic securities market. What investment goals and expectations do you have in the new year?Before formulating this year's investment objectives and strategies, you might as well review and analyze the market situation and performance of the fund market in 2021. In ...

Added by tsiedsma on Thu, 06 Jan 2022 12:48:34 +0200

MySQL chapter of data analysis

1, Database cognition (1) What is a database Database: 1) A warehouse that organizes, stores, and manages data according to data structures 2) A container that holds organized data 3) A special file used to store data (2) Type of database Commercial databases: Oracle, SQL Server, DB2, etcOpen source databases: MySQL, PostgreSQL, etcDesktop ...

Added by MicahCarrick on Wed, 05 Jan 2022 18:43:26 +0200

[fundamentals of Python data analysis-3] Python date and time and common processing methods

0. Introduction The last article introduced the scalar type of Python. In this article, I will introduce the date and time of Python and its common processing methods! 1. Introduction to Python time type There are several time representation methods commonly used in Python: time stamp Formatted time string Time of the time module struct_ ...

Added by SuprSpy79 on Wed, 05 Jan 2022 08:13:02 +0200

pandas has so many practical and commonly used skills that it's not easy to collect them

Hello, I'm Lao Wu. You can also call me classmate Wu. Younger friends can also call me senior brother Wu. Welcome to the world of data analysis with me and learn together! Interested friends can pay attention to me or my friends Data analysis column , there are many high-quality articles to share with you. Early review: Learn pandas com ...

Added by iKwak on Wed, 05 Jan 2022 05:42:17 +0200

Tired of C + +, Dr. CS&ML rewrites Python extensions with Rust and summarizes nine rules

Selected from medium com By Carl M. Kadie Machine heart compilation Editors: Du Wei, Chen Ping Just give it a try. Python is one of the most popular programming languages for data scientists. It integrates high-quality analysis libraries, including NumPy, SciPy, natural language toolkit, etc. many of these libraries are implemented in C an ...

Added by hyp0r on Tue, 04 Jan 2022 15:08:16 +0200