AI bias and what you can do about it . What does that mean and what can we do about it? AI bias doesn’t come from AI algorithms, it comes from people Technology is not free of humans No technology is free of its creators. Despite our fondest sci-fi wishes, there’s no such thing as systems that are truly separate and autonomous… because they start with us. ML/AI All technology is an echo of the wishes of whoever built it. This isn’t just about ; any technology you’re in danger of seeing as independent is simply the kind whose effect lingers longer after your button press. ML/AI No matter how complex its echo, technology always comes from and is designed by people, which means it’s no more objective than we are. This makes the definition of problematic. algorithmic bias Algorithmic bias refers to situations where a computer system reflects the implicit values of the humans who created it, but doesn’t all technology reflect its creators’ implicit values? And if you think humans can be completely unbiased, take a stroll through … this list Data and math don’t equal objectivity If you’re looking to as your savior from human foibles, tread carefully. AI Math can obscure the human element and give an illusion of objectivity. Sure, data and math can increase the amount of information you use in decision-making and/or save you from heat-of-the-moment silliness, but how you use them is still up to you. According to : Wikipedia is a philosophical concept of being true independently from individual subjectivity caused by perception, emotions, or imagination. Objectivity Tragicomically, a layer of math and data spread on top of the host of utterly subjective choices ( ) obscures the ever-present human element and gives an illusion of objectivity. What shall we apply AI to? Is it worth doing? In which circumstances? How shall we define success? How well does it need to work? etc. It’s much flashier to say, “The AI learned to do this task all by itself…” than to tell the truth. Look, I know sci-fi sells. It’s much flashier to say, than to tell the truth: “The AI learned to do this task all by itself…” “People used a tool with a cool name to help them write code. They fed in examples they considered appropriate, found some patterns in them, and turned those patterns into instructions. Then they checked whether they liked what those instructions do for them.” The truth drips with human subjectivity — look at all those little choices along the way which are left up to people running the project. Wrapping them in a glamorous coat of math doesn’t make the core any less squishy. When math is applied towards a purpose, that purpose is still shaped by the sensibilities of our times. To make matters worse, the is to let you explain your wishes to a computer using examples ( ) instead of instructions. Which examples? Hey, that depends on what you’re trying to teach your system to do. Datasets are like textbooks for your student to learn from. Guess what? Textbooks have authors. whole point of AI data! Did you answer “bananas”? Why didn’t you mention the plastic bag roll? Or the color of the banana? This example comes from Google’s AI Fairness and demonstrates that although all three answers are technically correct, for some reason we have a bias to prefer one of them. Not all people would share that bias; what we perceive and how we respond is influenced by our norms. If you live on a planet where all bananas are blue, you might answer “yellow bananas” here. If you’ve never seen a banana before, you might say “shelves with yellow stuff on them.” Also correct. training course When I said that “ some folks wrote to tell me that I’m wrong because bias comes from data. Well, we can both be winners… because . bias doesn’t come from AI algorithms, it comes from people ” people make the data Textbooks reflect the biases of their authors. Like textbooks, datasets have authors. They’re collected according to instructions made by people. Other design choices like , data , and are also entirely up to , which is why it’s so important that you take care to and . launch criteria population more human decision-makers choose your project leaders wisely train them well It’s safest to think of AI as a tool for writing code. Please don’t fall victim to the sci-fi hype. You already know that computer code is written by people, so it reflects their implicit values. Think of as an excellent tool for writing code — because — so the same basics hold. Remember to and all technology carefully, especially when it scales. AI that’s what it is design test This is no excuse to be a jerk Machines are just tools. They’re extensions of their creators, who, according to the gory definition in the last bullet point of ( ), are biased. this list “when our past experiences distort our perception of and reaction to information” All of us had our perceptions shaped by our past experience and all of us are products of our personal histories. In that sense, every single human is biased. Philosophical arguments invalidating the existence of truly unbiased and objective technology don’t give anyone an excuse to be a jerk. If anything, the fact that you can’t pass the ethical buck to a machine puts more responsibility on your shoulders, not less. Sure, our perceptions are shaped by our times. Societal ideas of virtue, justice, kindness, fairness, and honor aren’t the same today as they were for peoples living a few thousand years ago and they may keep changing. That doesn’t make the ideas unimportant, it only means we can’t outsource them to a heap of wires. They’re the responsibility of all of us, together. We should strive to do our best ethically and treat all people with the highest standards of respect and care. The fact that you can’t pass the ethical buck to a machine puts more responsibility on your shoulders, not less. Fairness in AI Once you appreciate that you are responsible for how you use your tools and where you point them, strive to make yourself aware of how your choices affect the rest of humanity. For example, is a choice that affects other people. Think it through. what application to pursue You are responsible for how you use your tools and where you point them. Another choice is which data to use for AI. You should expect better performance on examples that are similar to what your system learned from. If you choose not to use data from people like me, your system is more likely to make a mistake when I show up as your user. It’s your duty to think about the pain you could cause when that happens. Yes, it takes effort and imagination (and extensive ). analytics Unfamiliar with analytics for comparing ? Start your journey by reading up on like this one I made of the output of a model on two different simulated datasets. distributions histograms At a bare minimum, I hope you’d have the common sense to check whether the of your user matches the in your data. For example, if 100% of your training examples come from residents of a single country, but your target users are global… expect a mess. Your system will treat that country’s residents less sloppily than everyone else. Is that fair? distribution population distribution If you’re keen to take your fairness analytics to the next level, there are specialized tools out there to help you. One of my favorites is the . What-If Tool Fair and aware There are that people are responsible for along the way to . Half of the solution is striving to design systems to be good and fair and just to everyone. The other half is annihilating your ignorance of the consequences of your . Think. Carefully. (And use to help you think even more carefully.) many choices AI choices along the way analytics If you want to strive for fairness, work to annihilate your own ignorance of the consequences of your decisions. I’ve written a lot of words here, when I could have just told you that most of the research on the topic of bias and fairness in is about making sure that your system doesn’t have a disproportionate effect on some group of users relative to others. The primary focus is on checks and similar . The reason I wrote so much is that I want you to do even better. Automated distribution checks only go so far. No one knows a system better than its creators, so if you’re building one, take the time to think. ML/AI distribution analytics Think about how your actions will affect people and do your best to give those you’ll affect a voice to guide you through your blind spots. This article’s title plays on a quote from of the Wizard of Oz: “Pay no attention to that man behind the curtain.” With AI, puppeteers come in all genders, but there is always a behind the machine. The trouble begins when you forget that. this scene human

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