Tag：data analysis
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Common Data Analysis Scenario 1 Retention Analysis
While you are not busy, sort out the scenes that are often analyzed at work! Then the most important point of data analysis is to figure out the analysis scenarios and data concepts. Ask for indicators related to Mini Program user retention Data Requirements Background:A certain brand has a mini program. In order to increase […]
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Graphical Big Data | Spark GraphFrames-Graph-Based Data Analysis and Mining
author:Han [email protected] address：http://www.showmeai.tech/tutorials/84Address of this article：http://www.showmeai.tech/article-detail/182Disclaimer: All rights reserved, please contact the platform and the author for reprinting and indicate the source 1. Introduction to GraphFrames Databricks, UC Berkeley and MIT jointly developed a graph processing library for Apache Spark called GraphFrames. This class library is built on top of DataFrame, which can not only […]
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(4) Demonstration of Flink CEP SQL greedy word volume
Based on the extension of the previous (3) Flink CEP SQL loose neighbor code demonstration, in the previous article we used greedy word size + (matching at least 1 or more lines), this article will demonstrate the effect of various greedy word sizes:(1) Use greedy word size * (match 0 or more lines) public static […]
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Data analysis battle, SQL VS Python, let’s see if you know these exam questions⛵
Both SQL and Pandas can complete most data analysis needs. In this article, SQL and Pands are used to implement 10 types of core data analysis requirements one by one, and it is easy to compare and learn: data selection, restriction, statistical counting, sorting, new field generation, data selection, data grouping, statistical mean, variance, and […]
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ClickHouse and Elasticsearch pressure measurement practice
1 Demand Analysis1.1 Analyzing pressure measurement objects1) What are ClickHouse and ElasticsearchClickHouse is a true columnar database management system (DBMS). In ClickHouse, data is always stored column-wise, including vectors (blocks of vectors or columns) to perform procedures. Whenever possible, operations are dispatched based on vectors rather than individual values, this is called «vectorized query execution», […]
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Oracle-based user behavior data analysis
1. Analysis background With the continuous development of the e-commerce industry in the Internet era, the e-commerce market has become increasingly saturated, and the competition of various e-commerce platforms has entered a white-hot stage. Data analysis of user behavior has thus become the top priority of platform operations. Based on the Taobao user behavior data […]
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In 2022, you still can’t “low code”? Data science can also play with Low-Code! ⛵
author:Han [email protected]📘 Data analysis combat series：https://www.showmeai.tech/tutorials/40📘 Machine learning combat series：https://www.showmeai.tech/tutorials/41📘 Address of this article：https://www.showmeai.tech/article-detail/286Disclaimer: All rights reserved, please contact the platform and the author for reprinting and indicate the sourcecollectShowMeAIView more exciting content Low-code development, as the name suggests, refers to the software development process that requires only a small amount of code to be […]
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Customer churn? Let’s take a look at how the big factory builds a user retention model on the scale of tens of millions of data based on spark + machine learning⛵
author:Han [email protected]📘 Big Data Technology◉ Skill Improvement Series：https://www.showmeai.tech/tutorials/84📘 Industry famous enterprise application series：https://www.showmeai.tech/tutorials/63📘 Address of this article：https://www.showmeai.tech/article-detail/296Disclaimer: All rights reserved, please contact the platform and the author for reprinting and indicate the sourcecollectShowMeAIView more exciting content background Sparkify is a music streaming platform. Users can obtain some free music resources, and many users have opened […]
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Used Car Price Prediction | Build an AI Model and Deploy a Web Application ⛵
author:Han [email protected]📘 Data analysis combat series：https://www.showmeai.tech/tutorials/40📘 Machine learning combat series：https://www.showmeai.tech/tutorials/41📘 Address of this article：https://www.showmeai.tech/article-detail/300Disclaimer: All rights reserved, please contact the platform and the author for reprinting and indicate the sourcecollectShowMeAIView more exciting content A used car report from “RESEARCH AND MARKETS” predicts that the global used car market will grow at a compound annual growth […]
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Liu Genghong, boys and girls, come here! Sports data analysis and mining! ⛵
author:Han [email protected]📘Data Analysis◉ Skill Improvement Series：https://www.showmeai.tech/tutorials/33📘AI Interview Question Bank Series：https://www.showmeai.tech/tutorials/48📘Address of this article：https://www.showmeai.tech/article-detail/301Disclaimer: All rights reserved, please contact the platform and the author for reprinting and indicate the sourcecollectShowMeAIView more exciting content Because of the epidemic, in the past two years, everyone has had a lot of experience at home, but exercise and health cannot […]
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Apache Doris version 1.1.3 is officially released! ｜Release Notice
Dear community friends, we are happy to tell you,On October 17, 2022 we ushered in the official release of Apache Doris version 1.1.3. As a bugfix release based on the 1.1 LTS release, inMore than 80 issues or performance optimization items have been incorporated in version 1.1.3, and the system stability and performance have been […]
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4 development skills related to Python comprehension
For data science, Python is usually widely used for data processing and transformation. It provides powerful data structure processing functions to make data processing more flexible. What does “flexibility” mean here? This means that there are always multiple ways to achieve the same result in Python, and we always have different approaches and need to […]