Monthly Archives: March 2011

3D Anisotropy parameters

March 3, 2011
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Hello everyone, I’m trying to create a method for calculating the 5 parameters for the 3D anisotropy in an automatic way. Basically I created a loop for analysing the range of the horizontal variogram in every direction and extrapolating the maximum (for the angle p). Then it computes the vertical variogram in the direction of maximum...

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cut&paste typo in R book

March 2, 2011
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cut&paste typo in R book

A casualty of cut-and-paste in Chapter 3 of Introducing Monte Carlo Methods with R. Brad McNeney from Simon Fraser sent me a nice email about the end of Example 3.6 missing a marginal estimate. Indeed, it does. And it should have been obvious from the “estimates” we derived, 19 and 16, which are not even

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R Video Tutorial for Spatial Statistics

March 2, 2011
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Welcome everybody, this is a video tutorial that will try to teach you how to use R for spatial statistics and interpolation. I’m a PhD student in soil science and in particular my project is about digital soil mapping. During my work I often use R particularly for geostatstical interpolation. ...

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R Video Tutorial for Spatial Statistics

March 2, 2011
By

Welcome everybody, this is a video tutorial that will try to teach you how to use R for spatial statistics and interpolation. I’m a PhD student in soil science and in particular my project is about digital soil mapping. During my work I often use R particularly for geostatstical interpolation. ...

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Investing with the Odds

March 2, 2011
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Investing with the Odds

In this previous post, I showed that a look at the correlations in the daily returns of S&P 500 should have lead to a very profitable investing strategy. I also promised to show the results of this strategy in the 80s, but I am not going to do that, because MarketSci has done so in

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Calling R from JasperReports Server

March 2, 2011
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Revolution Analytics today announced a partnership with Jaspersoft, the makers of the most widely-used business intelligence software in the world. With this partnership, Revolution R and Jaspersoft software work together to bring the power of analytics coded in R to business users working with Business Intelligence (BI) dashboards and reports. If you're a Jaspersoft or R developer and would...

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RStudio

March 2, 2011
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All the cool kids are talking about it so I should take some time to plug RStudio, a free open source IDE for R. Unlike some of the “beginner” IDEs like Deducer, RStudio is not designed to offer menu based … Continue reading →

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Rcpp at Geneva-R

March 2, 2011
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I'll present Rcpp at the inaugural Geneva-R meeting. Geneva-R is an informal gathering of R enthusiasts sponsored by Mango Solutions, that builds on the success of London-R, where I presented twice, and Basel-R

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Anova – Type I/II/III SS explained

March 2, 2011
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Anova – Type I/II/III SS explained

Not my post, just bookmarking this. It’s from http://goanna.cs.rmit.edu.au/~fscholer/anova.php ANOVA (and R) The ANOVA Controversy ANOVA is a statistical process for analysing the amount of variance that is contributed to a sample by different factors. It was initially derived by R. A. Fisher in 1925, for the case of balanced data (equal numbers of observations

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The easiest way to get UTR sequence

March 2, 2011
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I just figure out the way to query UTR sequences from ensembl by biomart tool. It is very simple compared with using bioperl to parse gbk files to extract UTR sequences. Read More: 236 Words Totally

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