Tag：data mining
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Time：2021-2-10
In 2011, Southeast RONGTONG, which once occupied half of the financial IT field and was listed on the New York Stock Exchange, was delisted for some reason. At that time, Wu Huafu, who was engaged in Bi product research and development in Southeast RONGTONG, led the original technical backbone to set up smartbi. Since its […]
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Time：2020-10-31
1 In the era when data can’t mix into it disdain chain He decided to all in his life Science and technology maker: what do you think is the first important node in your life? Guo Wei (hereinafter referred to as Guo): it was my junior year. I have been exposed to code and programming […]
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Time：2020-8-21
Developers who use Python need data mining tools, because generally speaking, whether the data can be fully utilized depends on whether there are appropriate tools to clean up, prepare, merge, and correctly analyze. Today, I introduce 8 excellent data mining tools, which can be collected by interested partners.Link to the original text: https://developer.51cto.com/a…Author: fast Internet […]
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Time：2020-7-31
One of the ways to understand a new field is to read a lot to produce a basic understanding. I have studied recommendation system and machine learning before, but I have accumulated some books along the way, and lost some. Now there are still these. Here to share with you, there are a lot about […]
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Time：2020-7-20
Put forward 3000 questions about data warehouse. What is a data warehouse? Data warehouse (DW or DWH)It is a collection of data storage, inputting a variety of raw data, sorting and storing according to the standard and standard data architecture,It can provide fast, effective, accurate and reliable data support for enterprise decision-making and downstream applications,It […]
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Time：2020-1-9
As a hot word in recent years, artificial intelligence has always been a powerful force in the scientific and technological circle. With the iteration of smart hardware, smart home products have gradually entered thousands of households, and AI related technologies such as voice recognition and image recognition have also experienced stepped development. How to treat […]
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Time：2019-12-10
Now there are many friends who are interested in big data industry, but they don’t know how to start. What books should you read as a beginner of zero basic big data? Today, I did some sorting as a reference, hoping to help those students who are interested in big data. 1. Big Data Engineer […]
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Time：2019-11-18
One hot coding is necessary in feature processing, which is how we apply it in projects, #Sklearn usage from sklearn import preprocessing enc = OneHotEncoder(sparse = False) ans = enc.fit_transform([[0, 0, 3], [1, 1, 0], [0, 2, 1], [1, 0, 2]]) The principle of analysis can be referred to: linkThe core logic of onehot coding […]
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Time：2019-10-28
Process and method of data mining 1. task: association analysis cluster analysis Classification analysis Anomaly analysis Specific group analysis Evolution analysis 2. method: Statistics On line processing analysis information retrieval machine learning classification Practical application: application classification / trend prediction / recommendation of related products regression analysis Practical application: forecast sales trend clustering Practical application: […]
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Time：2019-10-7
This article belongs to forwarding, on the basis of this article, I will add some of my own ideas in the future. I recently looked at schools abroad, separating machine learning from data mining. Data mining mainly deals with databases, learning what data warehouses, and using Oracle software. Machine learning seems to be closer to […]
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Time：2019-10-6
Preface This course is very suitable for beginners. It is much simpler than Ng’s open course at Stanford University. It has less mathematics and more compact content. It covers a wide range of contents. It aims to build a bridge between beginners and machine learning. It is worth mentioning that this course is closer to […]
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Time：2019-10-5
This chapter is more dry goods, looks more tired, the harvest is also relatively large.Keep reading and writing.It’s very tiring to write formulas. I hope segmentfault can support latex formulas as soon as possible.We have been unable to grasp the optimization of this thing, both theory and practice are deficient, and strive to win this […]
