Monthly Archives: August 2012

Why R for Mass Spectrometrist and Computational Proteomics

August 25, 2012
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Why R for Mass Spectrometrist and Computational Proteomics

Why R:Actually, It is a common practice the integration of the statistical analysis of the resulted data and in silico predictions of the data generated in your manuscript and your daily research. Mass spectrometrist, biologist and bioinformaticians c...

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Love for ProjectTemplate

August 25, 2012
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Love for ProjectTemplate

The advantage about writing a blog post about the tools you wish that you’d used throughout grad school is that, well, it makes you check them out. I went through the ProjectTemplate tutorial, and I’m hooked. Here’s the advantages as … Continue reading →

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London 2012 Olympics — Medals vs GDP and population

August 25, 2012
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London 2012 Olympics — Medals vs GDP and population

It’s already midnight. I’m sitting near my bed. And before going to bed, I’ll type my last post on London 2012 Olympics. Olympic games are not only individual competitions, but also the reflections of countries’ strength. This is one reason why Olympics data … Continue reading →

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Exporting ctree object to Asymptote

August 25, 2012
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Exporting ctree object to Asymptote

When producing regression or classification trees (standard rpart or ctree from party package) in GNU R I am often unsatisfied with the default plots they produce. One of many possible solutions is to export a tree plot to Asymptote.The ...

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Count data and GLMs: choosing among Poisson, negative binomial, and zero-inflated models

August 24, 2012
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Ecologists commonly collect data representing counts of organisms. Generalized linear models (GLMs) provide a powerful tool for analyzing count data. The starting point for count data is a GLM with Poisson-distributed errors, but

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Commandeering a map from PDF or EPS, using Inkscape and R

August 24, 2012
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Commandeering a map from PDF or EPS, using Inkscape and R

I love Nathan Yau’s tutorial on making choropleths from a SVG file. However, if you don’t have a SVG handy already and instead you want to repurpose a map from another vector format such as PDF or EPS, there are … Continue reading →

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Toy Example with GScholarScraper_3.1

August 24, 2012
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Toy Example with GScholarScraper_3.1

A commentator on my blog brought up this nice idea of how to use the GScholarScraper function for bibliometrics..I altered the code a little bit which enables to set a year since when results should be returned and added a field to the output collectin...

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MPK Analytics – putting the R into analytics

August 24, 2012
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MPK Analytics – putting the R into analytics

Welcome to the blog of MPK Analytics – the consulting and training company whose mission it is to help clients in academia, industry and government to transform their data into insight using

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Does playing baseball shorten your lifespan? (Answer: No.)

August 24, 2012
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Does playing baseball shorten your lifespan? (Answer: No.)

A National Institute for Occupational Safety and Health study, published in March, found that professional American football (NFL) players lived longer, on average, than similar "mere mortals" in the general population. Football is a dangerous sport, so that might seem surprising at first, until you consider the fact that NFL players are elite sportsmen: only the strongest, fastest and...

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Finding the Best Subset of a GAM using Tabu Search and Visualizing It in R

August 24, 2012
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Finding the Best Subset of a GAM using Tabu Search and Visualizing It in R

Finding the best subset of variables for a regression is a very common task in statistics and machine learning. There are statistical methods based on asymptotic normal theory that can help you decide whether to add or remove a variable at a time. The ...

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