A few months ago, my company updated its email service, in the process loosening what were pretty tight default spam filters. Now, I rarely miss an important email, but at the expense of having to manually dispatch quite a few more bogus messages. I guess I’m trading off Type II errors for Type I. 

One set of advertisements that now regularly finds my inbox is from analytics company Statistical Horizons, which conducts seminars of interest to applied statisticians and data analysts. The message that first got my attention was promoting a class entitled Missing Data, a topic currently near and dear to my data science work. Much has evolved in the treatment of missing data in recent years, and there are now many statistical packages available to help data-deprived analysts.

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