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& mathematic model of how to use big data to train risk control has always been PayPal's challenge in cheating transaction detection. PayPal's training in risk control models Roughly through four stages: Decision tree: early PayPal using a simple decision tree model, mainly due to the early model training data is relatively small, the decision tree model results easy ...

Chinese kid Chen, who runs the world's largest video-site YouTube, is a wonderful business story and is worth chewing on. With the 20-month earnings 13 billion: The autobiography of YouTube founder Chen, we have summed up Chen's entrepreneurial path. 1th Stage: More urgent work, six months of graduation can not wait in Silicon Valley's entrepreneurial history, YouTube launched the "video sharing" the potential of unlimited network demand, since then created a "video transmission", "video Social", "video Marketing" and a series of new internet lifestyles. Video site Youtu ...

How to use large data training risk control mathematical model has always been the challenge of PayPal in the detection of fraud transactions. PayPal has experienced four stages in the training of risk control model: Decision Tree: Early PayPal uses a simple decision tree model, mainly due to the small amount of data in the early model training, the result of the decision tree model is easy to explain. Logistic regression: When PayPal's business is becoming more and more complex, the split-control model is becoming more and more complex, and using logistic regression can easily handle larger data volumes and more features; and PayPal's line ...

Marketing is one of the most difficult problems for startups to solve. When large enterprises launch new products, they will be in the television, line top channels of the overwhelming advertising marketing, and sometimes even hire a PR company for marketing. But for most startups, they don't have enough money. So what about startups? We can only rely on lower budget marketing, such as blogs, emails, word-of-mouth marketing, etc. So a variety of marketing tools suitable for start-up business. The benefits of this approach are lower costs and the ability to bring more users to start-ups. ...

Here are 5 marketing tips for the most famous startups. 1. The Little Bighorn If you have hard access to your target market, then you can try to enter the adjacent market, in order to measure the market for your product needs. Facebook is the company that made this tool famous. In the early days of Facebook, their target market was schoolchildren. At that time, many schools already had their own social network. Therefore, Facebook did not directly promote these schools, and ...

Intermediary transaction SEO diagnosis Taobao guest Cloud host technology Lobby marketing is one of the most intractable problems for startups. 　　When large enterprises launch new products, they will be in the television, line top channels of the overwhelming advertising marketing, and sometimes even hire a PR company for marketing. But for most startups, they don't have enough money. 　　So what about startups? We can only rely on lower budget marketing, such as blogs, emails, word-of-mouth marketing, etc. So all kinds of suitable ...

Absrtact: With the introduction of the IPhone 6, the Apple product line has once again emerged as one of the more symptom-thing apple Pay. Whether it's the Apple ID that needs to be tied to the card at first, or the passbook and touch ID of the early layout, or the belated Nfc,app with the launch of the IPhone 6, the Apple product line is once again a symptom-level one more thing- Appl ...

1, Tencent into the most lucrative mobile internet company yesterday, the Forbes Chinese version of the "2013 China's most profitable mobile internet companies," the survey shows Tencent, Jingdong and Alibaba, the three traditional internet giants are the highest-earning mobile web companies. 2, Jing-dong Origin fresh direct for expansion to overseas in the introduction of Xinjiang Aksu Fruit, the Beijing-East once again exerting the fresh field. Recently, Beijing-east first with the Hebei three-Li Eco-agricultural base, in Hebei Gaobeidian set up "organic agricultural products direct supply base", the "origin of direct supply" map to expand overseas, direct to the Canadian Arctic shrimp. 3, Easy ...

With the launch of the IPhone 6, the Apple product line has once again seen a symptom-level one more thing-apple Pay. Whether it's the Apple ID that needs to be tied to the card at first, or the passbook and touch ID of the early layout, or the belated Nfc,apple continues its consistent product rhythm. Apple ID accumulated a large number of binding card users, passbook management of various card information, Touch ID let ...

Absrtact: The hacker Marathon is the programmer's American Idol, very popular. Participating in the hacking marathon, in addition to keen to delve into the technology of software engineers, as well as the team from the VC company. The competition organizers will provide a free diet.     The hacker marathon is a few hackers marathon is the programmer's "American Idol", very popular.     Participating in the hacking marathon, in addition to keen to delve into the technology of software engineers, as well as the team from the VC company. The Competition party will ...