Author: Saeed Amen

The 2022 Berkshire Hathaway Meeting

Walking around Omaha, there are reminders of the old West. In the Old Market district, the cobble stones remain, but the old style saloon bars are gone. In their place there are fancy restaurants and bars. There are sculptures of old Omaha, stagecoaches cast from bronze. The railroad is still there, but the original station…

Alpha vs beta datasets

There are some ingredients that are pretty common. Just because they’re commonly used, does not make them unimportant. If anything, they are the most important when it comes to food. Without common ingredients like flour or oil, it’s going to be quite limiting. By the same token, very rare ingredients are not necessarily the most…

Breaking down quant questions

During the pandemic, a question of where to travel to, hasn’t been uppermost in most of our minds. After all, there’s little point in thinking of travelling when it’s been so difficult, and when our minds have been occupied elsewhere, particularly if you’ve been impacted most by the coronavirus, through illness or through work, such…

Predicting the past

Remembering the past isn’t always easy. I can remember the very worst P&L days of models when I was in a bank (and precisely what triggered the event). Can I remember the best P&L days..? Not a chance. Does that mean there were no good P&L days? Thankfully there were! With burgers, by contrast, I…