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Vincent Granville's Discussions (2,905)

Discussions Replied To (245) Replies Latest Activity

"The value for f(2) is derived from Wolfram Encyclopedia. It involves the erfc functi…"

Vincent Granville replied Mar 30, 2015 to Challenge of the week: mathematical paradox, $500,000 award*

20 Apr 1, 2015
Reply by Vincent Granville

"Your formula looks amazing up to n=260 or so, then the error increases (percentage-w…"

Vincent Granville replied Mar 28, 2015 to Challenge of the week: mathematical paradox, $500,000 award*

20 Apr 1, 2015
Reply by Vincent Granville

"Hi Magnus, I could not replicate your approximation. Do you have a spreadsheet to il…"

Vincent Granville replied Mar 28, 2015 to Challenge of the week: mathematical paradox, $500,000 award*

20 Apr 1, 2015
Reply by Vincent Granville

"You might want to check out this Wikipedia entry. Not the same data, but insightful."

Vincent Granville replied Mar 1, 2015 to Idea to track the Malaysia Airlines plane that disappeared

9 Mar 1, 2015
Reply by Vincent Granville

"Linear regression is difficult to interpret, subject over-fitting, sensitive to outl…"

Vincent Granville replied Feb 25, 2015 to Random Forests vs MARS vs Linear regression

2 Feb 25, 2015
Reply by Vincent Granville

"The same models can be used for churn, user retention and lifetime value of a custom…"

Vincent Granville replied Dec 7, 2014 to Challenge of the week: survival analysis

1 Dec 7, 2014
Reply by Vincent Granville

"stock only"

Vincent Granville replied Oct 15, 2014 to Why you should stay away from the stock market - unless you read this article

21 Jan 20, 2015
Reply by Alan Dunham

"Thanks Alastair!"

Vincent Granville replied Jun 23, 2014 to Challenge of the week: Piecewise linear clustering versus SVM

3 Jun 23, 2014
Reply by Vincent Granville

"Most traditional regression techniques are sensitive to outliers, but if you use a r…"

Vincent Granville replied Jun 23, 2014 to Can regression be used for outlier detection

1 Jun 23, 2014
Reply by Vincent Granville

"A related question: could consumers be informed of the price of electricity or gas a…"

Vincent Granville replied Jun 23, 2014 to Power consumption forecasting

3 Jun 27, 2014
Reply by Sagar Diwakar Uparkar

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