Head First R Programming

In January 2014, Aliyun opened up its ODPS service to open beta. In April 2014, all contestants of the Alibaba big data contest will commission and test the algorithm on the ODPS platform. In the same month, ODPS will also open more advanced functions into the open beta. InfoQ Chinese Station recently conducted an interview with Xu Changliang, the technical leader of the ODPS platform, and exchanged such topics as the vision, technology implementation and implementation difficulties of ODPS. InfoQ: Let's talk about the current situation of ODPS. What can this product do? Xu Changliang: ODPS is officially in 2011 ...

Author: Andrew Nusca,robert hackett,shalene Gupta Translator: Pak From: Wealth Chinese network large data not only to deal with a lot of numbers, but also to build models through these numbers, dig deeper, and look for those who are likely to change the way the business operation of information. I would like to introduce you to the top 20 large data fields. Pinterest data scientist Andrea Berbink Pinterest is a picture-oriented social ...

Data is not just about dealing with a lot of numbers, it's going to have to build models, dig deeper, and look for information that might change the way companies operate. 　　I would like to introduce you to the top 20 large data fields. Pinterest data scientist Andrea Berbink Pinterest is a picture-oriented social network, with data scientists Andrea Berbink primarily responsible for the company's A/b test to assess how the company's Web site, app's appearance or function changes will affect its 60 million of global users. If P ...

Author: Andrew Nusca,robert hackett,shalene Gupta Translator: Pak From: Wealth Chinese network large data not only to deal with a lot of numbers, but also to build models through these numbers, dig deeper, and look for those who are likely to change the way the business operation of information. I would like to introduce you to the top 20 large data fields. Pinterest data scientist Andrea Berbink Pinterest is a picture-oriented social ...

(Author Srini penchikala translator Dingxuefeng) for non-relational data types such as documents, object graphs, and key-value pairs, the NoSQL database provides them with an alternative way to store data. Can distributed caching be used as a NoSQL database? Ehcache's Greg Luck author describes the similarity between distributed caching and NoSQL databases. Infoq interviewed him and discussed the pros and cons of the scheme. InfoQ: Can you do a distributed caching solution with the NoSQL database ...

Hello, I'm brother Tao. The event has many webmaster from the strategic level to share the idea of the site operation, just found a lot of friends once said the idea is difficult to explain the example, so I took a last year's example, to share with you how we find the problem from the log analysis, solve the problem to the final summary of lessons and optimize the operation of the site process,   At the same time I will detail the details of the way to popularize the log analysis, I hope to help friends. Website operation has a link important, that is data monitoring and data analysis, otherwise the problem does not know ...

Intermediary transaction SEO diagnosis Taobao guest Cloud host Technology Hall log is a very broad concept in computer systems, and any program may output logs: Operating system kernel, various application servers, and so on. 　　The content, size and use of the log are different, it is difficult to generalize. The logs in the log processing method discussed in this article refer only to Web logs. There is no precise definition, which may include, but is not limited to, user access logs generated by various front-end Web servers--apache, LIGHTTPD, Tomcat, and ...

Open source Large data frame Apache Hadoop has become a fact standard for large data processing, but it is also almost synonymous with large numbers, although this is somewhat biased. 　　According to Gartner, the current market for Hadoop ecosystems is around $77 million trillion, which will grow rapidly to $813 million in 2016. But it's not easy to swim in the fast-growing blue sea of Hadoop, it's hard to develop large data infrastructure technology products, and it's hard to sell, specifically ...