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The drunkard's walk in 2-D | StatsBlogs.com | All About Statistics
http://www.statsblogs.com/2015/08/12/the-dunkards-walk-in-2-d
The drunkard’s walk in 2-D. August 12, 2015. This article was originally published at The DO Loop. And syndicated at StatsBlogs. Last month I wrote about how to simulate a drunkard's walk in SAS. For a drunkard who can move only left or right in one direction. A reader asked whether the problem could be generalized to two dimensions. Yes! This article shows how to simulate a 2-D drunkard's walk. In fact, it is possible to simulate the drunkard's walk in. For the background information. Proc iml; call ran...
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Symmetry and Skewness | StatsBlogs.com | All About Statistics
http://www.statsblogs.com/2015/08/12/symmetry-and-skewness
August 12, 2015. This article was originally published at Econometrics Beat: Dave Giles' Blog. And syndicated at StatsBlogs. After taking your first introductory course in statistics you probably agreed wholeheartedly with the following statement:. A statistical distribution is symmetric if and only if it is not skewed.". After all, isn't that how we define "skewness"? In fact, that statement is incorrect. There are distributions which have a skewness coefficient of zero, but are asymmetric. Students are...
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xi'an - All About Statistics | All About Statistics
http://www.statsblogs.com/author/xian
August 30, 2016. The next AISTATS conference is taking place in Florida, Fort Lauderdale, on April 20-22. (The website keeps the same address one conference after another, which means all my links to the AISTATS 2016 conference in Cadiz are no longer valid. And that the above sunset from Florida is named… cadiz.jpg! The deadline for paper submission […]. Read more ». Bayesian Essentials with R [book review]. July 27, 2016. Read more ». The curious incident of the inverse of the mean. July 14, 2016. John ...
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Correlation is not a measure of reproducibility | StatsBlogs.com | All About Statistics
http://www.statsblogs.com/2015/08/12/correlation-is-not-a-measure-of-reproducibility
Correlation is not a measure of reproducibility. August 12, 2015. This article was originally published at Simply Statistics. And syndicated at StatsBlogs. Biologists make wide use of correlation as a measure of reproducibility. Specifically, they quantify reproducibility with the correlation between measurements obtained from replicated experiments. For example, the ENCODE data standards document. Suppose you have collected data from an experiment. And want to determine if a second experiment replicates...
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Hey—Don’t trust anything coming from the Tri-Valley Center for Human Potential! | StatsBlogs.com | All About Statistics
http://www.statsblogs.com/2015/08/13/hey-dont-trust-anything-coming-from-the-tri-valley-center-for-human-potential
Hey Don’t trust anything coming from the Tri-Valley Center for Human Potential! August 13, 2015. This article was originally published at Statistical Modeling, Causal Inference, and Social Science. And syndicated at StatsBlogs. Shravan sends along this article. By Douglas Peters and Stephen Ceci, who report:. Amusing. On the plus side, it could reflect a positive trend, that crappy papers that were getting accepted 2 years ago, would get rejected now. Please comment on the article here:. Gianluca Baio...
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JSM 2015 [day #2] | StatsBlogs.com | All About Statistics
http://www.statsblogs.com/2015/08/11/jsm-2015-day-2
JSM 2015 [day #2]. August 11, 2015. This article was originally published at Xi'an's Og R. And syndicated at StatsBlogs. Oday, at JSM 2015, in Seattle, I attended several Bayesian sessions, having sadly missed the Dennis Lindley. Memorial session yesterday, as it clashed with my own session. In the morning sessions. The second Bayesian session. Veronika Rocková linked with this post-LASSO perspective by studying spike and slab priors based on Laplace priors. While Veronicka’s goal was to achiev...I concl...
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Eric CaiThe Chemical Statistician - All About Statistics | All About Statistics
http://www.statsblogs.com/author/eric-cai-the-chemical-statistician
Odds and Probability: Commonly Misused Terms in Statistics An Illustrative Example in Baseball. August 13, 2015. By Eric Cai - The Chemical Statistician. Read more ». Odds and Probability: Commonly Misused Terms in Statistics An Illustrative Example in Baseball. August 13, 2015. By Eric Cai - The Chemical Statistician. Read more ». Using and Producing a Control Chart in R for Statistical Process Control An Application in Analytical Chemistry. August 3, 2015. By Eric Cai - The Chemical Statistician. Updat...
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Fitting a multilevel model | StatsBlogs.com | All About Statistics
http://www.statsblogs.com/2015/08/11/fitting-a-multilevel-model
Fitting a multilevel model. August 11, 2015. This article was originally published at Statistical Modeling, Causal Inference, and Social Science. And syndicated at StatsBlogs. I am mainly using software R for statistical analyses. If the alternative of BRT is RDA, how can the model of RDA involve the data structure which seems to be a split-plot design? Or maybe I’m missing something here. In any case, here are some general comments:. 8211; If your missingness is only in the outcome variable, then just f...
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Neither time nor stomach | StatsBlogs.com | All About Statistics
http://www.statsblogs.com/2015/08/11/neither-time-nor-stomach
Neither time nor stomach. August 11, 2015. This article was originally published at Statistical Modeling, Causal Inference, and Social Science. And syndicated at StatsBlogs. Thought you might be interested in an EngageNY lesson plan for statistics. So far no (-2)x(-2) = -4 (based on a quick read), but still kind of weak. It bothers me that they keep talking about randomization but only for order of test; they assigned treatment A to the first ten of each batch. Maybe I’m just in a picky mood. Big Data, P...
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UCLA Statistics 2015 Commencement Address | StatsBlogs.com | All About Statistics
http://www.statsblogs.com/2015/08/12/ucla-statistics-2015-commencement-address
UCLA Statistics 2015 Commencement Address. August 12, 2015. This article was originally published at Simply Statistics. And syndicated at StatsBlogs. I was asked to speak at the UCLA Department of Statistics. Here’s the text of what I said, which I think I mostly stuck to in the actual speech. UCLA Statistics Graduation: Some thoughts on a career in statistics. I busted out Tom Ferguson’s book and went through my old notes. Here we go. Let X be a complete normed vector space. Statistics John D. Cook.
