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Automated Machine Learning with Microsoft Azure PDF 下载
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 主要内容： Explaining data science's ROI problem Data scientist has been consistently ranked the best job in America by Forbes Magazine from 2016 to 2019, yet the best job in America has not produced the best results for the companies employing them. According to VentureBeat, 87% of data science projects fail to make it into production. This means that most of the work that data scientists perform does not impact their employer in any meaningful way. By itself, this is not a problem. If data scientists were cheap and plentiful, companies would see a return on their investment. However, this is simply not the case. According to the 2020 LinkedIn Salary stats, data scientists earn a total compensation of around $111,000 across all career levels in the United States. It's also very easy for them to find jobs. Burtch Works, a United States-based executive recruiting firm, reports that, as of 2018, data scientists stayed at their job for only 2.6 years on average, and 17.6% of all data scientists changed jobs that year. Data scientists are expensive and hard to keep. Likewise, if data scientists worked fast, even though 87% of their projects fail to have an impact, a return on investment (ROI) is still possible. Failing fast means that many projects still make it into production and the department is successful. Failing slow means that the department fails to deliver. Unfortunately, most data science departments fail slow. To understand why, you must first understand what machine learning is, how it differs from traditional software development, and the five steps common to all machine learning projects. Defining machine learning, data science, and AI Machine learning is the process of training statistical models to make predictions using data. It is a category within AI. AI is defined as computer programs that perform cognitive tasks such as decision making that would normally be performed by a human. Data science is a career field that combines computer science, machine learning, and other statistical techniques to solve business problems. |
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