Mathematicians Of The Day

26th July

On this day in 1609, Thomas Harriot made the earliest telescopic observation in England. He sketched the Moon, which was at that time 5 days old, viewing it through a telescope with a magnification of 6.

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Quotation of the day

From John Tukey
If we need a short suggestion of what exploratory data analysis is, I would suggest that
  1. It is an attitude AND
  2. A flexibility AND
  3. Some graph paper (or transparencies, or both).
American Statistician 40 (1986)