top 10 data analysis tools

interface design, enhance software professionalism. Ii. User Requirements As in the project introduction, CnblogsFan aims to facilitate the collection of some essays in the blog Garden ". Collection essay "is the function scope to be implemented by the entire project. How to collect data is a solution for the coding personnel. However, currently, Wid is a person working on this project, so Wid serves as both a user and, it also serves as a software

Mysqlslowlog is a log tool used to record SQL statements with a long execution time (beyond long_query_time seconds. you can enable slowlog in either of the following ways: 1. in cnf, log-slow-queries [file_name] 2 is used to specify the log mysql management tool when the mysqld process is started. Mysql slow log is a log tool used to record SQL statements with a long execution time (beyond long_query_time seconds. Enable slow log There are two activation methods: 1. in my. cnf, log-slow-q

Command loggingMore. Bash_history2. If the business cannot be stopped. The first is to find the user. Lock the user.3. Analysis of the causes and ways of intrusion4. Back up user data (note that. See if there's a hidden attack source first)5. Reinstall the System6. Hotfix or vulnerability7. Recover data and connect to the network.This article is from the "Shong

decisions. According to a recent IBM Study of 1,900 CFOs, the revenue growth rate of an analysis-driven organization is 33% higher than that of other organizations, and the return on capital is 32% higher. It is predicted that mobile transactions will increase by 40 times by 2015. The increased data transmission rate and speed will lead to more IT opportunities for business

. After that, click the gray triangle button in the tool to perform the test (for example ). Similarly, we have created a nomemcach project to test the nomemcache. ASPX page. After testing memcach and nomemcach, click reports on the toolbar to view the test report: 3. Performance Analysis Test report of memcache. aspx: Overview ========================================================== ========================================================== Report

the network, etc., the complete shortcut key content can be viewed through the Help (key "H"), can display the Linux system CPU, memory, process information, including the CPU user, system, wait and idle status values, available memory, Detailed metrics such as cache size and CPU consumption of the process. This kind of way displays the information real-time strong, can grasp in time the system under the pressure the operation situation, each CPU utilization is how much, the memory uses, the ne

plotting. The hist function can directly draw a histogram. Call method: 1 n, bins, patches = plt.hist(arr, bins=10, normed=0, facecolor='black', edgecolor='black',alpha=1，histtype='bar') There are many hist parameters, but these six are commonly used. Only the first one is required, and the last four are optional. Arr: one-dimensional array for histogram Calculation Bins: Number of columns in the histogram. Optional. The default va

://www.aizhan.com/) as a website to provide Web site data query tools, not only to provide the site world rankings, Google PR, website traffic, Friendship link detection, Web site reverse link query, whois query, IP Reverse lookup domain name and other general Web site data query. More innovative according to Baidu algorithm developed a set of Baidu weight standa

to be further improved. Problem 9: too many tools to master There are more than 8000 Ethernet RFC protocols, according to the five layers of the network, there are a variety of protocol definitions. It is the diversity of network protocols. Therefore, we need to design many auxiliary tools to master it and use many tools for network

This project mainly explains a set of big data statistical analysis platform which is applied in Internet e-commerce enterprise, using Java, Spark and other technologies, and makes complex analysis on the various user behaviors of e-commerce website (Access behavior, page jump behavior, shopping behavior, advertising click Behavior, etc.). Use statistical

Original: http://blog.csdn.net/rachel_luo/article/details/8990202 Preface In the ordinary course of work, sometimes encounter outofmemoryerror, we know that encountered error generally indicates that the program has a serious problem, may be catastrophic. So it is very important to find out what causes outofmemoryerror. Now we introduce the Eclipse Memory Analyzer tool (MAT) to resolve the challenges we face. If not stated, this article uses the Java 5.0 on Windows XP SP3 environment. Why use

represents what AWK looks for in the data, and the action is a series of commands that are executed when a match is found. Curly braces ({}) do not need to always appear in the program, but they are used to group a series of instructions according to a particular pattern. pattern is the regular expression to be represented, surrounded by slashes.Example#输出df第一个字段 [[email protected] ~]# df-ph |awk ' {print $} ' #输出df第一个和第三个字段 [[email protected] ~]# df

performs the removed function. Internal call Jquery.dequeue to implement. Jquery.dequeue source code is as follows Special attention in the Jquery.dequeue is the processing of the FX animation queue Dequeue:function (Elem, type) { type = Type | | "FX"; var queue = Jquery.queue (Elem, type), startlength = queue.length, fn = Queue.shift (),//Remove the first function in the queue hooks = JQ Uery._queuehooks (Elem, type), next = function () { jquery.dequeue (elem

Non-programming articles/tools that can be used directly1. ExcelExcel is the easiest charting tool to handle fast, small amounts of data. Combined with a pivot table, the VBA language makes it possible to make tall visual analysis and dashboard dashboards.Single-or single-graph Excel is the rule, and it can show results quickly. But the more complex the report, E

$ _ * And WRH $. The former stores metadata information such as checked databases and collected snapshots. The latter stores the actual collected statistics. As you may have guessed, H represents "historical" and M represents "metadata )".) Several views with DBA_HIST _ prefix are built on these tables. These views can be used to compile your own performance diagnostic tools. The view name is directly related to the table. For example, the view DBA_H

The best 20 data visualization tools for visualization Reprinted original URL: http://www.iteye.com/news/28093 Data Visualization makes data more intuitive and lays the foundation for developers to make correct decisions. This article describes 20 different data visualizat

Transformation Since there is data in the workspace, the next step is data transformation. Statisticians and scientists usually remove unnecessary data from the analysis at this step. Let's first look at the data: # Head of the dataprint df.head() # OUTPUT Abra Apayao Bengu

[Editor's note] senthil Kumar has tested a number of analysis tools on his website. net. The following are the analyses collected after his trial: 1. Performance and memory Analyzer of apps on the websiteJetbrains dottrace is from jetbrain. It is a performance and memory analyzer for apps on the website. It can effectively analyze the performance of the target application and quickly find the bottleneck b

In the previous article, I gave a brief introduction to several aspects of Linux performance and how to solve them, but how do I find out from the system that something is wrong with a certain aspect or a few aspects, which requires the use of several common performance analysis tools provided by the Linux system Here is a detailed account of the use of several common performance

nid=0x2265 waiting on condition [0x00000000] Java.lang.Thread.State:RUNNABLE"http-bio-8080-exec-20" daemon prio=10 tid=0x08a35800 nid=0x1d42 waiting on condition [0x70997000] Java.lang.Thread.State:WAITING (parking) at Sun.misc.Unsafe.park (Native Method)-Parking to wait for(a java.util.concurrent.locks.abstractqueuedsynchronizer$conditionobject) at Java.util.concurrent.locks.LockSupport.park (Locksupport.java:156) at Java.util.concurrent.locks.abstr