November 2014 M T W T F S S « Jun 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Categories

Recent Posts
Meta
Social science
Statistics
Category Archives: Scheme
Welford’s method for calculating the sample variance: An implementation in Scheme
John Cook has three entries up on his blog discussing the pitfalls of calculating the sample variance using the mathematical textbook definitions. He provides a Monte Carlo comparison of methods here, and a theoretical discussion here. He also provides a … Continue reading
Posted in Code, Data analysis, Scheme
Leave a comment