July 2015

Scatter Plots with Marginal Densities – An Example for Doing Exploratory Data Analysis with Tableau and R

July 13, 2015 | Data * Science + R

Introduction One of the first stages in most data analysis projects is about exploring the data at hand. During this stage the analyst tries to get familiar with his dataset by looking at summary statistics, feature distributions and relationships be... [Read more...]

Examining the Accuracy of Fantasy Football Projections with an Interactive Scatterplot in R

July 13, 2015 | Isaac Petersen

In prior posts, we presented the accuracy of different analysts in projecting football players’ performance, finding that the average was more accurate than any individual analyst. In this post, we present[...] The post Examining the Accuracy of Fantasy Football Projections with an Interactive Scatterplot in R appeared first on Fantasy ... [Read more...]

LaTeX Thesis Template

July 13, 2015 | "Mauricio Vargas S. 帕夏"

For my thesis I've created a LaTeX template according to my university's rules. If you don't know \(\rm\LaTeX\) you can check a quick tutorial that I made for my students. My thesis was written in english but this template is in spanish. The idea of the template is that ... [Read more...]

RSiteCatalyst Version 1.4.4 Release Notes

July 13, 2015 | Randy Zwitch

It’s been about six months since the last RSiteCatalyst update, and this update is really just a single bug fix, but a big bug fix at that! Sparse Data = Opaque Error Messages Numerous people have reported receiving an error message from RSiteCatalyst similar to the following: 'names' attribute [1] must ... [Read more...]

RcppGSL 0.2.5

July 13, 2015 | Thinking inside the box

A new version of RcppGSL arrived on CRAN a couple of days ago. This package provides an interface from R to the GNU GSL using our Rcpp package. In the course of preparation for the higher-performance R via C++ course I gave in Zuerich last month, I o... [Read more...]

RSiteCatalyst Version 1.4.4 Release Notes

July 13, 2015 | randyzwitch.com

[paper published] ChIPseeker: an R/Bioconductor package for ChIP peak annotation, comparison and visualization

July 13, 2015 | R on Guangchuang Yu

My R/Bioconductor package, ChIPseeker, published in Bioinformatics. ChIPseeker: an R/Bioconductor package for ChIP peak annotation, comparison and visualization Read More: 992 Words Totally

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ChIPseeker: an R/Bioconductor package for ChIP peak annotation, comparison and visualization

July 12, 2015 | R on Guangchuang Yu

My R/Bioconductor package, ChIPseeker, published in Bioinformatics. ChIPseeker had been cited by http://www.biomedcentral.com/1471-2164/16/292 and http://www.jbc.org/content/early/2015/06/18/jbc.M115.668558.short, and was used (not cited) in http://nar.oxfordjournals.org/content/early/2015/06/27/nar.gkv642.abstract and http://emboj.embopress.org/content/early/2014/12/18/...

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RcppRedis 0.1.4

July 12, 2015 | Thinking inside the box

A small update to RcppRedis arrived on CRAN a few days ago. One of the unit tests failed as we (still) initialized the rredis package (loaded only for a comparison) in a form long-internalized by Bryan Lewis, its author. No actual changes to function... [Read more...]

New package "SparkRext" – SparkR extension for closer to dplyr

July 11, 2015 | teramonagi

Apache Spark is one of the hottest products in data science.Spark 1.4.0 has formally adopted SparkR package which enables to handle Spark DataFrames on R.SparkR is very useful and powerful.One of the reasons is that SparkR DataFrames present an API sim... [Read more...]

Detecting Undercuts in F1 Races Using R

July 11, 2015 | Tony Hirst

One of the things that’s been on my to do list for some time has been the identification of tactical or strategic events within a race that might be detected automatically. One such event is an undercut described by F1 journalist James Allen in the following terms (The secret ... [Read more...]

random 0.2.5

July 11, 2015 | Thinking inside the box

A few days ago and while we were traveling, an updated release of our random package for truly (hardware-based) random numbers as provided by random.org arrived on CRAN. Brian Ripley had pointed out to us that some of the curl implementations (which ... [Read more...]

Estimating data parameters using R

July 11, 2015 | Mic

Say we have some data and we are pretty confident that it comes from a random variable which follows a Normal distribution, now we would like to estimate the parameters of that distribution. Since the best estimator for the population mean is the sampl...

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How to make a rough check to see if your data is normally distributed

July 11, 2015 | Mic

Now then, in the previous article I wrote about hypothesis testing with data that is normally distributed, in this article I’m going to post some quick test you can do to check if it is fairly safe to assume your data is normal. I would like to highlight the ... [Read more...]

CDK Literature #8

July 11, 2015 | Egon Willighagen

Tool validationThe first paper this week is a QSAR paper. In fact, it does some interesting benchmarking of a few tools with a data set of about 6000 compounds. It includes looking into the applicability domain, and studies the error of prediction for compounds inside and outside the chemical space defined ... [Read more...]

Hypothesis testing on normally distributed data in R

July 11, 2015 | Mic

Hypothesis testing is a useful statistical tool that can be used to draw a conclusion about the population from a sample. Say for instance that you are interested in knowing if the average value of a certain parameter differs significantly from a given value within a well defined confidence level: ...

[Read more...]

Constructing a Word Cloud for ICML 2015

July 10, 2015 | Andrew Collier

Word clouds have become a bit cliché, but I still think that they have a place in giving a high level overview of the content of a corpus. Here are the steps I took in putting together the word cloud for the International Conference on Machine Learning (2015). Extract the hyperlinks ... [Read more...]

R Package to access the Open Movie Database (OMDB) API

July 10, 2015 | hrbrmstr

It’s not on CRAN yet, but there’s a devtools-installable R package for getting data from the OMDB API. It covers all of the public API endpoints: find_by_id: Retrieve OMDB info by IMDB ID search find_by_title: Retrieve OMDB info by title search get_actors: Get ...

[Read more...]

Using PL/R and PL/Python to find Medians and Quartiles in Postgres

July 10, 2015 | Kris Eberwein

I’ve recently been exploring options to calculate median and quartiles in my Postgres database. If you’re familiar with quartiles you know how handy they can be. There’s a few different options in the Postgres universe to accomplish this, so I figured I would give them all a ... [Read more...]

In case you missed it: June 2015 roundup

July 10, 2015 | David Smith

In case you missed them, here are some articles from June of particular interest to R users. The R Consortium, a trade group dedicated to the support and growth of the R Community, has launched with the R Foundation, Microsoft, RStudio and others as founding members. A detailed FAQ for ... [Read more...]

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R-bloggers

R news and tutorials contributed by hundreds of R bloggers

July 2015

Scatter Plots with Marginal Densities – An Example for Doing Exploratory Data Analysis with Tableau and R

Examining the Accuracy of Fantasy Football Projections with an Interactive Scatterplot in R

LaTeX Thesis Template

RSiteCatalyst Version 1.4.4 Release Notes

RcppGSL 0.2.5

RSiteCatalyst Version 1.4.4 Release Notes

[paper published] ChIPseeker: an R/Bioconductor package for ChIP peak annotation, comparison and visualization

ChIPseeker: an R/Bioconductor package for ChIP peak annotation, comparison and visualization

RcppRedis 0.1.4

New package "SparkRext" – SparkR extension for closer to dplyr

Detecting Undercuts in F1 Races Using R

random 0.2.5

Estimating data parameters using R

How to make a rough check to see if your data is normally distributed

CDK Literature #8

Hypothesis testing on normally distributed data in R

Constructing a Word Cloud for ICML 2015

R Package to access the Open Movie Database (OMDB) API

Using PL/R and PL/Python to find Medians and Quartiles in Postgres

In case you missed it: June 2015 roundup

July 2015

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