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Winter, Planting, and Bayesian Inversion

Dreams of Spring Ah…it has come to that time of year when we are all dreaming of being outside without a jacket. Some subset of those dreamers are also thinking about their gardens, getting their fingers in the soil, and watching the miracle of life push its way up out of the soil. Some of[…] ... Read More.


The Measurement Challenge

I’m reintroducing the Measurement Challenge for the blog.  I ran it for a couple of years on the old site and had some very interesting posts.  Use this thread to post comments about the most difficult – or even apparently “impossible” – measurements you can imagine.  I am looking for truly difficult problems that might take more[…] ... Read More.


Can “expert” training increase confidence while making judgments worse?

I came across more interesting research about possible “placebo effects” in decision making.  According to the two studies cited below, receiving formal training in lie detection (e.g. so that law enforcement officers are more likely to detect a untruthful statement by a suspect) has a curious effect.  The training greatly increases confidence of the experts in[…] ... Read More.


What to say when they ask, “Why not 100% CI?”

Originally posted at http://www.howtomeasureanything.com, on Tuesday, September 08, 2009 8:20:46 AM, by Dreichel. “Hello, This is my first post on your board. I am excited to actually be able to pose this to the author (or to others who want to chime in). First some background; I work as an Analyst predicting Budget “Burn Rate”,[…] ... Read More.


Lens Model: Negative Value

Originally posted at http://www.howtomeasureanything.com, on Sunday, September 06, 2009 9:20:07 PM, by sujoymitra17. “While using Lens Model (multiple regression), I am getting negative scores for a few parameters and positive scores for few others. I am computing the score using the formula: – <Coeff of parameter-1>*Val of parameter-1+<Coeff of parameter-2>*Val of parameter-2….+Intercept. Since few parameters[…] ... Read More.


First Print Errata

Welcome to the Errata thread in the book discussion of the How to Measure Anything Forum. An author goes through a lot of check with the publisher but some errors manage to get through. Some my fault, some caused by the typesetter or publisher not making previous changes. I just got my author’s copies 2[…] ... Read More.


Variation of Recatch Example

Originally posted to http://www.howtomeasureanything.com/forums/ on Monday, July 13, 2009 2:13:07 PM. “I would love to see an example following upon the idea of estimating the population of all prospective clients which uses similar sampling method as recatching example. Could you do it for me? Best regards Adam” We might need more details to work out[…] ... Read More.


Random Power Law Generator Example?

Originally posted on http://www.howtomeasureanything.com/forums/ on Monday, June 22, 2009 4:33:03 AM. “Greetings! ON the page 187 there is a claim that the author has generated an example of random power law generator, but i cant find it from the examples. Can someone help me with this problem who has find the example from downloads? THanks,[…] ... Read More.