David Stephens

Personal portfolio and knowledge management platform.

Portfolio Management
Track investments and analyze performance
Knowledge Library
146 books and highlights
Quotes Collection
73 curated quotes
Featured Quote

"If your view of the world is that people use reason for their important decisions, you are setting yourself up for a life of frustration and confusion. You’ll find yourself continually debating peopl…"

Scott Adams , 2013
Featured Highlight

"But forecasters often resist considering these out-of-sample problems. When we expand our sample to include events further apart from us in time and space, it often means that we will encounter cases…"

The Signal and the Noise: Why So Many Predictions Fail-but Some Don't by
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