The R Inferno

R Inferno-ism: order is not rank

July 26, 2012 | 0 Comments

Do not use order when you want rank. Background The update of “A comparison of some heuristic optimization methods” is due to the bug that Luca Scrucca spotted. Actually, it is two bugs: I used order when I meant rank This somehow escaped being in The R Inferno   Problem What ...
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Inferno-ish R

May 31, 2012 | 0 Comments

CambR was nice enough to invite Markus Gesmann and me to speak at their event on Tuesday. My talk was Inferno-ish R. See also The R Inferno. Epilogue Subscribe to the Portfolio Probe blog by Email
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Physical books of “The R Inferno” and “S Poetry”

January 12, 2012 | 0 Comments

Hardcopy versions of both The R Inferno and S Poetry are now available for sale. Physical economy Buy The R Inferno (the version dated 2011 April 30)   Buy S Poetry Discount The publisher, Lulu, has a coupon for a 25% discount off purchases (up to a maximum of $50) that is good until the … ... [Read more...]

Solve your R problems

September 12, 2011 | 0 Comments

  download ‘The R Inferno’ Epilogue I’m not a lawyer, but here is my understanding of the rules should you want to extract images from this page: Most of the images are from istockphoto.com. You would need to pay for each image that you want to use. It is ...
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