Incomplete data and rational decision makingLet’s take a look at the conversation between Dyakkova and Sarah Catanjaro, general partner at Amplify Partners. “If you look at data experts, they often miss the value of reports and analytics that are initially sloppy but are getting better and better. Many decisions don’t require very accurate insights. There’s no need to be ashamed of a little bit of data,” says Catanzaro. said.
His point of reminding us that we don’t need accurate data to make decisions makes sense. Gary Marcus, founder of Geometric Intelligence, a machine learning company acquired by Uber in 2016, said a key factor in evaluating AI, machine learning, and deep learning is whether pattern recognition tools work well when rough results are needed. said whether Low cost and perfect results are not the key factors in determining success. Despite these points, we are working hard to acquire more and more data to create more powerful AI applications. If you provide enough data, you are expecting a machine learning model to perform better than “rough results.”
Unfortunately, the reality is not so simple. In many applications more data can be helpful, but in reality more data is not needed. Instead, someone who can better understand the data we already have is much more helpful. In response, Dyakkova said, “Eighty percent of product analysis is done quickly, even if it is somewhat lax. But the ability to decide when to perform such an analysis requires a very deep understanding of statistics.” Vincent Dowling, data scientist at Indeed.com, puts this more clearly. “The biggest advantage of having a seasoned analyst/scientist is that you can determine the accuracy of the data you need to make decisions,” he said.
What they have in common is how they make decisions. And both cases demonstrate that the experience of practitioners looking at the data is more important than the data itself. Machines can never imitate inefficient experiences that humans do. As The Guardian pointed out in the article, AI is expected to enable machines to find patterns in data and make decisions faster than humans. But what if you make bad decisions faster? This is likely to happen in practice when humans give up their ownership of thinking about data. As a result, the machine will make decisions for itself.
Less data, more knowledgeBut in a real project, putting more people into these tasks is more difficult than subtracting them. According to Majunath Batt, Gartner research vice president, AI is influenced by the data humans choose to train their machines. In a cascade, the results of this algorithm influence the data we make decisions about. “People consume reality in the form of data, but data can be changed, transformed, and given a name in a form that is convenient to consume. In the end, humans are forced to live within a highly manipulated view of the world, within a limited range.” said.
“Successful machine learning projects require data,” says Eugene Yan, a scientist at Amazon. “You need more powerful pipelines to support the flow of data. But most importantly, you need to give each piece of data a name or label,” he said. said. However, it is impossible to obtain properly labeled data without a skilled person. In order to label it, you need to understand the data.
It is at this point that we again draw attention to Gartner analyst Svlana Sikal’s point more than a decade ago. “In companies, there are a lot of people who can read business lines between lines,” he said. “These people are optimized to find the right issues to ask of corporate data.” If there was something lacking at the time, as Diakkova pointed out, it would be an understanding of statistics. In other words, it is the ability to judge ‘how much is enough’ to produce a sufficiently meaningful result.
This is why data science is so difficult. It is in the same vein that ‘talent’ always ranks first in all surveys asking about the difficulty of introducing AI/ML. It could be easily summed up simply as a lack of data scientists, but that may not be what we should be most concerned about right now. It is the lack of basic understanding of statistics, mathematics, and the contents of the company’s business.
Source: ITWorld Korea by www.itworld.co.kr.
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