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Brief introductionEditThe general form of the Box-cox transformation is: The new variable obtained by the Box-cox transformation in the formula is the original continuous dependent variable, which is the transformation parameter. The above transformation requires the original variable value is positive, if the value is negative, you can first add a constant to all the original data to make it positive, and
This is a creation in Article, where the information may have evolved or changed. On July 13, Russ Cox shared "The Future of Go" on Gophercon, reviewing the history of the go language and looking forward to go 2. Rob Pike, Robert Griesemer and Ken Thompson discussed a new programming language for a while, and on September 25, 2007, Rob suggested that it be named Go. Later, Russ Cox and Lance Taylor joined
Cox Proportional risk regression model (Cox's proportional hazards regression model), referred to as Cox regression models. The model, proposed by British statistician D.r.cox in 1972, is mainly used for prognostic analysis of tumors and other chronic diseases, as well as for etiological exploration of cohort studies.h (t/x) =h0 (t) exp (β1 X1 +β2 X2 + ... +βp Xp) H0 (t): The benchmark risk function is the
the overhead of a system in the kernel-level code in the multipart data transmission line? In fact, we can leave aside all network protocol-related knowledge. This is just an extremely common one-way linked list operation, and the logic is not complicated. But let's look at how top hackers think about coding and compare the code they have written, how many times of data processing is done with a simple for loop without further thinking about the rough and unreasonable aspects? Do you have an in
This is a creation in Article, where the information may have evolved or changed. Note: Russ Cox is currently the leader of Go team My goal is to help developers. I want to make sure that the work that our go team does has a significant positive impact on go developers. This sounds easy, but there are many problems, such as spending too much time cleaning up or optimizing unwanted code, responding to the most common or recent complaints or
This is a creation in Article, where the information may have evolved or changed. Note: this is russ Cox explanation go [1] There are already translations on the web [2" [ 1]https://plus.google.com/116810148281701144465/posts/iqaikawp6ce [ 2]http://www.aqee.net/response-to-why-im-not-leaving-python-for-go/ Here are the translations: I received a number of emails that referred to a recent article entitled "Why I won't give up Python
PHP cannot obtain Referer for troubleshooting and referer for troubleshooting. PHP cannot obtain Referer troubleshooting. referer troubleshooting test results :? Phpecho Test Source: directly load the page br; echoahreftest_cookie.php enter the page abr; echo test source PHP cannot obtain Referer
Chapter 8 JVM performance monitoring and troubleshooting tools (2), jvm troubleshooting Note: This blog is mainly recorded in "deep understanding of Java Virtual Machine (version 2)" Note: For details about JVM performance monitoring and troubleshooting tools on the command line, see Chapter 7 JVM performance monitoring and t
Details of several common troubleshooting methods for routers, and details of several troubleshooting methods1. Serial Port troubleshooting When a connectivity problem occurs in the serial port, in order to eliminate the serial port fault, the show interface serial command is generally used to analyze its screen output report content and locate the problem. The s
This is a creation in Article, where the information may have evolved or changed. Go history On September, together with Rob Pike, they decided on the name. Go. On November, Go is open sourced. Go 1, the first stable release, was released on March 2
Atitit. troubleshooting series ----- troubleshooting when apache cannot be started Atitit. troubleshooting series ----- troubleshooting when apache cannot be started You can directly use cli to start httpd and print out detailed information .. C: \ Users \ ASIMO> "C: \ wamp \ apache2 \ bin \ httpd.exe" Httpd.exe: S
Network troubleshooting and viewing in linux, and network troubleshooting in linux Basic troubleshooting errors Troubleshooting must be simple and complex. Some people repeatedly configure the above files, but they cannot access the network. They always think that the system is faulty and want to reinstall the host. Th
MySQL redo deadlock troubleshooting and troubleshooting process analysis, mysqlredo Problem background I went to work on Monday. I first asked my colleagues about the test results last week. I was told that MySQL Server hang is in multiple instance scenarios and cannot be tested. The native version does not have this problem, this problem occurs in the new version, so I cannot help but feel at ease. I feel
Linux system-network basic configuration and troubleshooting, and linux basic configuration troubleshooting In linux, there are three types of network configuration: one is to directly implement the configuration file using command lines on the terminal, and the other is to modify the configuration file, another method is setup text interface settings. The difference is that after the configuration file is
Although the Linux system is very powerful, stable, but we use the process, if the human operation is not appropriate, will still affect the system, and may even make the system does not boot, unable to run services and other problems. Then this blog post summarizes some common troubleshooting methods, but it is impossible to cover all, can only continue to supplement, update.first, the administrator forgot the password(1), restart the computer, enter
Atitit. troubleshooting series ----- troubleshooting when apache cannot be started, atitit ----- apache Atitit. troubleshooting series ----- troubleshooting when apache cannot be started You can directly use cli to start httpd and print out detailed information .. C: \ Users \ ASIMO> "C: \ wamp \ apache2 \ bin
For a one-time troubleshooting page 502, page 502 troubleshooting First, Scene: System Deepin 15;php 5.5.33;nginx 1.9.9 Second, the situation: simple page output normal (such as phpinfo ();), run any of the company's projects, are 502 Third, the investigation 1, query various logs, including Nginx.error.log, Php_error.log, Php-fpm.error.log, find PHP-FPM error as follows [22-mar-2016 11:06:32] WARNING: [Po
Java virtual machine performance monitoring and troubleshooting tools, virtual machine troubleshooting 1. jdk command line tool 1) jps: Virtual Machine Process status Tool Jps [option] [hostid] Main parameters: 2) jstat: Virtual Machine statistics monitoring tool Jstat- Main parameters: For example, if the gc information of process 8675 is queried twice every 8675 ms, jstat-gc 1000 2 3) jinfo: Java conf
Chapter 7 JVM performance monitoring and troubleshooting tools (1), jvm troubleshooting 1. Locate System Problems Basis GC log Heapdump/hprof File) Thread snapshot (threaddump/javacore file) Running log Exception Stack Tools used for analysis Jps: displays all JVM processes in a specified system. Jstat: Collects JVM running data. Jinfo: displays JVM configuration informat
A case for troubleshooting slave database latency in MySQL: mysql troubleshooting When a customer is inspected today, a core of the cpu of mysqld occupies 100% in the case of no business in the slave database. There is no SQL statement for querying the slow query of the master database.It can be said that the typical single-process replication causes a cpu to be fully occupied. If you know the reason, you c
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