rfm analysis

Hello everyone, I am the Phantom of the Rain. For SEO data analysis skills, before we talked about the keyword ranking analysis, content quality analysis two parts, in the SEO process of the site's external chain construction is very important, I believe that a lot of SEO webmaster friends are very seriously, but also in the efforts to do their own site outside t

Descriptive statistical analysis is to the data itself, using statistical indicators to describe its characteristics of the analysis method, this description seems simple, in fact, is a lot of advanced analysis of the basic work, many advanced analysis methods for the data have certain assumptions and conditions, which

Engineering basics-Fourier analysis, Fuli Analysis Introduction If you are confused about why Newton believes in God in his later years, Fourier analysis will be able to feel more or less the reverence and confusion of scientific masters on natural laws, the beauty of symmetry does not help but doubt that the laws of nature are developed by the so-called creator

Simply put, the structural analysis method is mainly used to analyze the functions of the system, according to the internal logic of the system to decompose the complex system into easy to understand and analyze the subsystem, is a direct data flow based on the function of the analysis method of the hierarchy, The object-oriented analysis method is to set up the

Hello everyone, I am the Phantom of the Rain. In the previous article, "SEO Data analysis techniques One: Keyword ranking analysis" for you to introduce the importance of SEO data analysis, if you have enough interest in this piece, may wish to join me to learn some SEO data analysis of some ideas. In front of the main

Switch faults are still quite common. So I have studied the switch fault types and analysis methods, and I will share them with you here, hoping they will be useful to you. Failure during switch operation is inevitable. However, it is the duty of maintenance personnel to promptly handle the fault, identify the fault point as soon as possible, and eliminate the fault. To do this, you must understand the type of switch faults and have the ability to ana

Why analyze algorithmic performance?Should take care of many important things, such as user-friendliness, modularity, safety, maintainability, etc. Why worry about performance?The answer to this is simple, only we have performance, can have all of the above things.For example, if we behave like money, we can buy all the above things. Another reason to study the show is that-speed is fun! Given the algorithms for both tasks, how do we find out which one is better?usually for us, a naïve ("tunnel

First, static analysis of the basic technology1, you can calculate the malicious program MD5 value by using software, and then retrieve the MD5 value to obtain information and use as a label "Md5deep winmd5"2, by retrieving the malicious code string to obtain the corresponding function call interpretation, functional behavior and module invocation. When the retrievable string is very young, it is possible to shell, (note "LoadLibrary" and "GetProcAddr

principal component Analysis ( Principal Component Analysis , PCA is a multivariate statistical analysis method that transforms multiple variables through a linear transformation to select fewer important variables. principle: When we use the statistical analysis method to study the multi-variable problem, the number o

YII Source Code Analysis (2): yii source code analysis. YII Source Code Analysis (II): yii source code analysis the previous article briefly analyzed the yii process, from creating an application to outputting results on the screen. This time I came to a slightly more complex YII Source Code

Article Description: Apsalar: Pay attention to user behavior analysis to make money. In the past, terminology such as group research and funnel analysis was used only in medical statistics and hard core sales companies. Now these terms, along with other jargon (such as K-Factor and whale), are being used in the mobile gaming industry. "It's a very competitive market," he said. What you need is

1. Necessity of log Analysis The development of the Internet, will generate a large number of web logs or mobile logs, the log contains a very rich variety of user information. Mining this kind of information through analytic analysis will produce corresponding data value. General medium-sized Web sites (10w + PV), will generate more than 1G of web logs per day. Large Web sites or very large URLs may produ