Posts Tagged ‘ science ’

Global warming since 1995 ‘now significant’

June 11, 2011
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Global warming since 1995 ‘now significant’

Yesterday (June 11, 2011) the BBC reported on comments by Prof. Phil Jones, of the Climatic Research Unit (CRU), University of East Anglia (UEA), that the warming experienced by the planet since 1995 was statistically significant. That the trend in … Continue reading →

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Norvig and the Nature of Modern Science

May 27, 2011
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In this, Chomsky is in complete agreement with O’Reilly. (I recognize that the previous sentence would have an extremely low probability in a probabilistic model trained on a newspaper or TV corpus.)1 Anyone who considers themself an intellectual should be required to read this new essay by Peter Norvig. It’s the best summary I’ve ever

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Extracting reflectance data from SpectraSuite JCAMP files in R

May 6, 2011
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Extracting reflectance data from SpectraSuite JCAMP files in R

I've been using an OceanOptics USB4000 spectrometer in research on biomass accumulation and climate in South Africa.This post presents a R function that will read in JCAMP files from the SpectraSuite software and output a vector of reflectance values.&...

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Central Limit Theorem A nice illustration of the Central Limit…

October 20, 2010
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Central Limit Theorem
A nice illustration of the Central Limit…

Central Limit Theorem A nice illustration of the Central Limit Theorem by convolution.in R: Heaviside 0,1,0) }HH

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Social contagion? Maybe not…

July 28, 2010
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Social contagion? Maybe not…

Recently there was a lot of racket about results presented in papers by a pair Nicholas Christakis & James Fowler. Their papers gained a lot of attention both in the academic world as well as in media. In their papers they claim to provide evidence for social contagion (transmission through social networks) of several types

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[S. Lynch] Introduction to Applied Bayesian Statistics and Estimation for Social Scientists

December 4, 2009
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[S. Lynch] Introduction to Applied Bayesian Statistics and Estimation for Social Scientists

Well, that’s a good book that you shouldn’t miss “Introduction to Applied Bayesian Statistics and Estimation for Social Scientists”. Why you shouldn’t miss it? Coz, it’s practical and I mean p r a c t i c a l big time!!! I don’t own tons of (traditionally) printed books but that’s one of the few breaking

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