Today’s G-File pointed me to this jewel of letter writing. I stand in awe.
This takes skiing the flats to a whole new level.
Great view of the cockpit of the famous Hiroshima Bomber. Back in the 20th Century, I–and a half-dozen other young majors–had lunch with General Tibbets. Oh, the stories he had.
The first class of the Air Command and Staff College was all field-promoted colonels who’d been lieutenants when the war started. General T. said they’d split up into two groups, and each group would take turns teaching the other group what they’d learned in 3 years of air war. Nobody went by the book, ’cause they didn’t have time to start writing the damn thing until after the war.
Here’s a clever reformulation of simple least-squares regression that estimates slope as a weighted average of pairwise slopes. Too cool!