The decision of "big data" era cannot be based on experience alone

"Two days ago, chatting with a classmate who worked at Goldman Sachs, he did a project last year and won 400,000 dollars for the prize," he said. The project focuses on the relationship between rainy days and stock price movements around the globe, and concludes that there is no relationship. ”





"April 9, Facebook announced a 1 billion dollar cash and shares to buy Instagram company. ”





above two is the Morning Post reporter yesterday when the network pop-up message, the former is a friend forwarding the real spit slot, the latter is the hottest topic in the industry yesterday. When the mouse in the two messages repeatedly switch between the reporter as if feeling will find out what connection between them. The associated words are certainly not "400,000 dollars" and "1 billion dollars", in fact, the reporter thought that contact them is a word: Big data.





data provides decision basis





"Big Data" is a star concept that is emerging and exploding in the near future, it has been on the New York Times Wall Street Journal's column cover, into the U.S. White House website News, is now in some of the domestic Internet theme of the lecture salon, even the sense of smell sensitive gold securities, Guotai, Galaxy Securities, etc. are written in the investment recommendation report.





's first "Big data" era came when McKinsey, the world's leading consultancy, said: "Data has penetrated into every industry and business function and become an important factor in production." The excavation and application of massive data indicates a new wave of productivity growth and consumer surplus. "Big Data" in physics, biology, environmental ecology and other fields, such as military, financial, communications and other industries exist for some time, but because of the Internet and the development of the information industry in recent years has aroused people's attention.





According to Wikipedia's definition, "big data" in the Internet industry refers to the phenomenon: Internet companies in the day-to-day operation of the generation, accumulation of user network behavior data. The size of the data is so large that it cannot be measured by g or T, and the starting unit of measurement for large data is at least P (1000 t), E (1 million t) or Z (1 billion t).





back to the two messages from the beginning of this article, how do they relate to "big data"?





"A lot of people will laugh when they hear about it, but I have to defend him," explained the friend who forwarded Goldman's 400,000 dollar bonus. The conclusion is valuable, and if the study concludes that rainy days are linked to stock prices, Goldman must develop derivatives at a cost of dozens of times times that. This data based research results provide a basis for decision-making. ”





as the New York Times said in a February column, the "Big Data" era has come, and in business, economics and other areas, decisions will increasingly be based on data and analysis rather than on experience and intuition.




Visualization of
Data





about Instagram's bid for a high-priced takeover, it must be explained that the buyer's Facebook was founded in 2004, Monthly active users 845 million, valued up to hundreds of billions of dollars, the acquisition of Instagram, the birth of 551 days, a dozen employees, providing photo-sharing services, the price of 1 billion U.S. dollars.





This shows that both Facebook and Instagram are the product of today's internet age, information, data is a fertile and creative new soil, they help the contemporary enterprises at a moment to reach the past hundred years old shop has not reached the scale.





"Data is new oil. Amazon's former chief scientist Andreas Weigend said. Instagram 1 billion U.S. dollars, the world's largest imaging product and service provider, founded in 1881, is filing for bankruptcy.





large data is so important that its acquisition, storage, search, sharing, analysis, and even visualization of the present, has become an important research topic.





"At the time of the changes, a huge amount of data appear in front of, what is a spectacular picture?" Watching all this in the background, will it be close to the feeling that God looks down on the human spark? ”





This question I have consulted Jianguo, China's famous search engine experts. Sacked presided over the development of the first large-scale Chinese and English search engine system "skynet".





To know, Jianguo has been the chief technology officer to Baidu, in such a daily need to respond to netizens a variety of search requests 170 million times (now about 877 million times) of the site, if just sit quietly in the background, may not be a moment of peace of mind. Baidu indeed in the provision of search services, the gradual addition of Baidu Index, and then set up an important product based on Netizen search data "stick" and Baidu statistics products.





Jianguo did not directly answer this question, he thought for a long time, seems to fall into the memories, the mouth of the smile is secretive.





There are companies that have a sense of proximity to God in large numbers, and companies in Los Angeles have claimed to have built models of historical data on the global night scene, and have made research reports on investment in real estate and consumption after filtering out fluctuations.





and in terms of data visualization, my latest story is that a friend who works in Cisco's logistics department, a clever Indian lad, has recently been dug up by Facebook to enter its data research group. He was surprised to find that it was all from logistics companies, supply chain technicians and experts, "Facebook wants to know, can use the logistics angle and flow way, analyze the user's path and behavior." ”

(Responsible editor: The good of the Legacy)