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16.04.2015 In Bio7 it is possible to write a documentation in knitr. A simple visual and textual HTML editor (based on JavaFX) and an embedded Latex editor (based on TeXclipse) helps in the creation of a *.html or *.pdf documentation. For the *.pdf creation a TeX environment has to be available (... [Read more...]

In this post, I would like to share a simple problem about sampling analysis. And I will demonstrate how to solve this using Python and R. The first two problems are originally from Sampling: Design and Analysis book by Sharon Lohr.ProblemsLet $N=6$ and $n=3$. For purposes of studying sampling ... [Read more...]

I was sent an email this week by a vegan user who wanted to draw rarefaction curves using rarecurve() but with different colours for each curve. The solution to this one is quite easy as rarecurve() has argument col so the user could supply the appropriate vector of colours to ... [Read more...]

R+API+SPOTIFYHoje resolvi acessar a API do serviço de streaming de música Spotify, na minha opinião o melhor da categoria e um dos apps que mais utilizo. Só pra constar, odeio todo o conceito do potencial concorrente, Tidal.Mais uma vez, tudo foi feito utilizando o ... [Read more...]

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Why does lifting out a slice make the pizza appear more appealing?We can begin our discussion with the ultimate feature bundle - pizza toppings. Technically, a menu would only need to list all the toppings and allow the customers to build their own piz... [Read more...]

Hadley Wicham has announced two new package for reading external data into R that will likely be of great interest to fisheries scientists. readr — Several new functions that replace the traditional read.csv() and read.table() (among others).  Hadley’s announcement is here, … Continue reading → [Read more...]

R is already in use in well over 100 cities around the world, and now we can add another to the list: Yangon, Myanmar. Ben Marwick is a trainer with Software Carpentry (a non-profit organization devoted to improving basic computing skills among researchers in science, engineering, medicine, and other disciplines), and ... [Read more...]

From original post @http://analyticsblog.mecglobal.it/e [...] [Read more...]

Are Propensity Scores Useful? Effect estimation for treatments using observation data isn't always straight forward. For example, it is very common that patients who are treated with a certain medication or procedure are healthier than those who are not treated. Those who aren't treated may not be treated due to ... [Read more...]

In the last issue of Statistical Science, David Belhouse [author of De Moivre’s biography]  and Nicolas Fillion published an accounting of a discussion between Pierre Rémond de Montmort, Nicolaus Bernoulli—”the” Bernoulli associated with the St. Petersburg paradox—, and Francis Waldegrave, about the card game of Le Her (... [Read more...]

RColorBrewer is an R package that allows users to create colourful graphs with pre-made color palettes that visualize data in a clear and distinguishable manner. There are 3 categories of palettes: qualitative, diverging, and sequential. Qualitative palettes employ different hues to create visual differences between classes. These palettes are suggested for ... [Read more...]

ModSpace is our web-based collaborative platform used by groups of analysts to store, share and discover models, data and scripts in a version controlled environment. We were approached by a customer looking to replace SAS DD, to explore the possibility … Continue reading → [Read more...]

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by Ben Ubah Founder, RPowerLabs No disregard to R's colleagues, R is pioneering the creation of online virtual electric power system laboratories via RPowerLABS. RPowerLABS is a project, with the vision of deploying online, a vast array of highly demanded power system simulations for teaching and research using R. It ... [Read more...]

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Tuesday 14 April 2015 - 14:35 As R has continued its growth in populary, it's made some exotic friends. Friends who speak other (programming) languages. Friends who live on servers and virtual machines. Friends who sometimes need to set aside t... [Read more...]

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