Quirks about running Rcpp on Windows through RStudio

July 20, 2017
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Quirks about running Rcpp on Windows through RStudio

Quirks about running Rcpp on Windows through RStudio This is a quick note about some tribulations I had running Rcpp (v. 0.12.12) code through RStudio (v. 1.0.143) on a Windows 7 box running R (v. 3.3.2). I also have RTools v. 3.4 installed. I fully admit that this may very well be specific to my

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Quickly Check your id Variables

July 20, 2017
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Virtually every dataset has them; id variables that link a record to a subject and/or time point. Often one column, or a combination of columns, forms the unique id...

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Data Analysis for Life Sciences

July 20, 2017
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Data Analysis for Life Sciences

Rafael Irizarry from the Harvard T.H. Chan School of Public Health has presented a number of courses on R and Biostatistics on EdX, and he recently also provided an...

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Preparing for the Plumber v0.4.0 Release

Plumber is a package which allows you to create web APIs from your R code. If you're new to Plumber, you can take a look at www.rplumber.io to learn...

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Preparing for the Plumber v0.4.0 Release

Plumber is a package which allows you to create web APIs from your R code. If you're new to Plumber, you can take a look at www.rplumber.io to learn...

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The Viral Recurring Decimal: Euler Problem 26

July 19, 2017
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Proposed solution to Euler Problem 26 in the R language. Find the value of d Continue reading → The post The Viral Recurring Decimal: Euler Problem 26 appeared first on...

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Ligature fonts for R

July 19, 2017
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Ligature fonts for R

Ligature fonts are fonts which sometimes map multiple characters to a single glyph, either for readability or just because it looks neat. Importantly, this only affects the rendering of...

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Neville’s Method of Polynomial Interpolation

July 19, 2017
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Part 1 of 5 in the series Numerical AnalysisNeville’s method evaluates a polynomial that passes through a given set of and points for a particular value using the Newton...

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ArCo Package v 0.2 is on

July 19, 2017
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ArCo Package v 0.2 is on

The ArCo package 0.2 is now available on CRAN. The functions are now more user friendly. The new features are: Default function for estimation if the user does not...

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Data wrangling : Transforming (2/3)

July 19, 2017
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Data wrangling : Transforming (2/3)

Data wrangling is a task of great importance in data analysis. Data wrangling, is the process of importing, cleaning and transforming raw data into actionable information for analysis. It...

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New R Course: Writing Efficient R Code

July 19, 2017
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New R Course: Writing Efficient R Code

Hello R users, we've got a brand new course today: Writing Efficient R Code by Colin Gillespie. The beauty of R is that it is built for performing data analysis....

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Short course on Bayesian data analysis and Stan 23-25 Aug in NYC!

July 19, 2017
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Jonah “ShinyStan” Gabry, Mike “Riemannian NUTS” Betancourt, and I will be giving a three-day short course next month in New York, following the model of our successful courses in...

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Machine Learning Explained: supervised learning, unsupervised learning, and reinforcement learning

July 19, 2017
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Machine Learning Explained: supervised learning, unsupervised learning, and reinforcement learning

Machine learning is often split between three main types of learning: supervised learning, unsupervised learning, and reinforcement learning. Knowing the differences between these three types of learning is necessary for...

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RcppAPT 0.0.4

July 19, 2017
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A new version of RcppAPT -- our interface from R to the C++ library behind the awesome apt, apt-get, apt-cache, ... commands and their cache powering Debian, Ubuntu...

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seplyr update

July 19, 2017
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The development version of my new R package seplyr is performing in practical applications with dplyr 0.7.* much better than even I (the seplyr package author) expected. I think...

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The oem package for penalized regression is on CRAN

July 18, 2017
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The oem package for penalized regression is on CRAN

The oem package has been on CRAN for some time now, but with the latest update I expect few structural changes to the user interface. oem is a package...

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Parameter tuning with mlrHyperopt

July 18, 2017
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Parameter tuning with mlrHyperopt

Hyperparameter tuning with mlr is rich in options as they are multiple tuning methods: Simple Random Search Grid Search Iterated F-Racing (via irace) Sequential Model-Based Optimization (via...

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Some Ideas for your Internal R Package

July 18, 2017
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Some Ideas for your Internal R Package

At RStudio, I have the pleasure of interacting with data science teams around the world. Many of these teams are led by R users stepping into the role of...

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JAGS 4.3.0 is released

July 18, 2017
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JAGS 4.3.0 is released

The source tarball for JAGS 4.3.0 is now available from Sourceforge. Binary distributions will be available later. See the updated manual for details of the features in the new...

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Securely store API keys in R scripts with the "secret" package

July 18, 2017
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If you use an API key to access a secure service, or need to use a password to access a protected database, you'll need to provide these "secrets" in...

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Multiple Factor Analysis to analyse several data tables

July 18, 2017
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Multiple Factor Analysis to analyse several data tables

How to take into account and how to compare information from different information sources? Multiple Factor Analysis is a principal Component Methods that deals with datasets that contain quantitative...

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Animating a spinner using ggplot2 and ImageMagick

July 18, 2017
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Animating a spinner using ggplot2 and ImageMagick

It’s Sunday, and I am just sitting on the couch peacefully ggplotting to illustrate basic sample spaces using spinners (a trick I’m borrowing from Jim Albert’s book Curve...

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Plants

July 18, 2017
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Plants

Blue dragonflies dart to and fro I tie my life to your balloon and let it go (Warm Foothills, Alt-J) In my last post I did some drawings based...

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Hacking statistics or: How I Learned to Stop Worrying About Calculus and Love Stats Exercises (Part-3)

July 18, 2017
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Hacking statistics or: How I Learned to Stop Worrying About Calculus and Love Stats Exercises (Part-3)

Statistics are often taught in school by and for people who like Mathematics. As a consequence, in those class emphasis is put on leaning equations, solving calculus problems and...

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Multiple Correspondence Analysis with FactoMineR

July 18, 2017
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Multiple Correspondence Analysis with FactoMineR

Here is a course with videos that present Multiple Correspondence Analysis in a French way. The most well-known use of Multiple Correspondence Analysis is: surveys. Four videos present a...

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constants 0.0.1

July 18, 2017
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The new constants package is available on CRAN. This small package provides the CODATA 2014 internationally recommended values of the fundamental physical constants (universal, electromagnetic, physicochemical, atomic…), provided as symbols for...

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Online courses (in R, python, and data science) at Udemy for only $10 – until July 20th

July 18, 2017
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udemy-november-coupon-2015

In order to get the discount, simply click choose a link below and when paying use the promo code: JULY20310 Udemy is offering readers of R-bloggers access to its global...

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The Value of #Welcome

July 18, 2017
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The Value of #Welcome

I’m participating in the AAAS Community Engagement Fellows Program (CEFP), funded by the Alfred P. Sloan Foundation. The inaugural cohort of Fellows is made up of 17 community managers...

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Automatically Fitting the Support Vector Machine Cost Parameter

July 17, 2017
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Automatically Fitting the Support Vector Machine Cost Parameter

In an earlier post I discussed how to avoid overfitting when using Support Vector Machines. This was achieved using cross validation. In cross validation, prediction accuracy is maximized by varying the...

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