Reinforcement Learning Gone Wrong
Last week’s episode on artificial intelligence gets a huge payoff this week—we’ll explore a wonderful couple of papers about all the ways that artificial intelligence can go wrong. Malevolent actors?...
11 Juli 201628min
Reinforcement Learning for Artificial Intelligence
There’s a ton of excitement about reinforcement learning, a form of semi-supervised machine learning that underpins a lot of today’s cutting-edge artificial intelligence algorithms. Here’s a crash co...
3 Juli 201618min
Differential Privacy: how to study people without being weird and gross
Apple wants to study iPhone users' activities and use it to improve performance. Google collects data on what people are doing online to try to improve their Chrome browser. Do you like the idea of ...
27 Juni 201618min
How the sausage gets made
Something a little different in this episode--we'll be talking about the technical plumbing that gets our podcast from our brains to your ears. As it turns out, it's a multi-step bucket brigade proce...
20 Juni 201629min
SMOTE: makin' yourself some fake minority data
Machine learning on imbalanced classes: surprisingly tricky. Many (most?) algorithms tend to just assign the majority class label to all the data and call it a day. SMOTE is an algorithm for manufac...
13 Juni 201614min
Conjoint Analysis: like AB testing, but on steroids
Conjoint analysis is like AB tester, but more bigger more better: instead of testing one or two things, you can test potentially dozens of options. Where might you use something like this? Well, if ...
6 Juni 201618min
Traffic Metering Algorithms
This episode is for all you (us) traffic nerds--we're talking about the hidden structure underlying traffic on-ramp metering systems. These systems slow down the flow of traffic onto highways so that...
30 Maj 201617min
Um Detector 2: The Dynamic Time Warp
One tricky thing about working with time series data, like the audio data in our "um" detector (remember that? because we barely do...), is that sometimes events look really similar but one is a litt...
23 Maj 201614min
