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Automated Machine Learning with Microsoft Azure PDF 下载
发布于:2024-06-01 10:36:06
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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.