Latest posts
Can an AI Learn to Spot Hawaii’s Crazy Storms? – Part II
How Do You Actually Measure a Rare Event? Once I stopped trusting that 92 percent, I needed a better way to grade the model. Here’s the thing about grading a rare event. It’s like grading a fire alarm system based on how many days it correctly stayed silent. Of course it’s silent most days, there’s…
Can an AI Learn to Spot Hawaii’s Crazy Storms? – Part I
Hawaii runs on trade winds almost all year. Steady, predictable, blowing in from the northeast like clockwork. Then every so often in the winter, the whole system flips. The wind swings around to blow from the south or southwest instead, and the side of the island that’s usually dry gets overwhelmed with rain. These flip…
The Road Not Taken: How “Random Forests” Can Build Greener Cities
You come across a sports car racing a jeep on the highway. Who do you think loses? The jeep, of course, but as soon as you move to rocky terrain, the outcome is the opposite. It doesn’t matter how fancy the car is; if it’s not the right one for the job, it doesn’t work.…