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Hard Lessons: 2. Not all friends are created equal

Not sure what the average number of people to have bailed out of jail is, nor the average number of countries from which people have called you for said bail money, but I’m pretty certain that I have exceeded both of those averages. As I explained to my niece, Samantha, the other day, when people…

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Hard Lessons: 1. Don’t mistake colleagues for friends

Contrary to appearances, I’m a fairly private person. You might not think so from some of what I write on this blog, but I challenge anyone to read through here and find personal details like the number of my siblings who have passed away or something hurtful someone might have done to me. Since I’m…

Logistic regression, in pictures : Part 2

I tweeted that I believed one could explain logistic regression results in three or four charts, and Alberta Soranzo tweeted back, “Try me.” Challenge accepted.  These data are taken from the Kaiser-Permanente study of the Oldest Old,  a sample of 5,986 people who were aged 65-95 when recruited into the study. Participants were followed for…