Category: Numbers and Data
-
The Power of Vision
Every year at the PFMI, I teach a class about data. It’s a scripted show honed over almost a decade’s worth of learning and experience of working with data. If a student walks out with anything, I want it to be this: Data analysis starts with questions, not data. You can take any data set…
-
Segal’s Law
The above quote is a slightly modified version of “Segal’s Law”: A man with a watch knows what time it is. A man with two watches is never sure. The quote itself traces back to the The San Diego Union newspaper, initially publishing the quote as a humorous joke. From there, it bounces around through various newspapers, and in…