Starting with version 1.3.1 of RSiteCatalyst, you can now access the real-time reporting capabilities of the Adobe Analytics API through a familiar R interface. Here’s how to get started… GetRealTimeConfiguration Before using the real-time reporting capabilities of Adobe Analytics, you first need to indicate which metrics and elements you are ... [Read more...]

This post provides technical details about the making of my book “Displaying time series, spatial, and space-time data with R”, …Sigue leyendo → [Read more...]

Two years ago, motivated by a proposal from John Kimmel, Executive Editor at Chapman & Hall/CRC Press, I started working …Sigue leyendo → [Read more...]

Last friday I had a chat on twitter with ElCep and Joel G about the possibility to send R's spatial data structures to a PostGIS enabled database and retrieve them back to R.Just right now, R can be used as a powerful GIS tool and the developement of spatial-oriented ... [Read more...]

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I received this email yesterday: I have been using your ‘forecast’ package for more than a year now. I was on R version 2.15 until last week, but I am having issues with lubridate package, hence decided to update R version to R 3.0.1. In our organization even getting an open source ... [Read more...]

In the Intraday Backtest post I showed an example of loading and working with Forex Intraday data from the FXHISTORICALDATA.COM. Recently, I came across another interesting source of Intraday data at the Bonnot Gang site. Please note that you will have to register to get access to the Intraday ... [Read more...]

These are slides from the very first SER meeting – an R user group in Warsaw – that took place on February 27, 2014. I talked about various “lifehacking” tricks for R and focused how to use R with GNU make effectively. I will post some detailed examples in forthcoming posts. Oto moje slajdy ... [Read more...]

Arithmetic is being able to count up to twenty without taking off your shoes (Mickey Mouse) On her last mission, Dora The Explorer sails down the Amazon river to save her friend Isa The Iguana from Swiper The Fox claws. After some hours of navigation, Dora sees how the river ... [Read more...]

It has been several months since my last post on classification tree models, because two things have been consuming all of my spare time.  The first is that I taught a night class for the University of Connecticut’s Graduate School of Business, introducing R to students with little or ... [Read more...]

I'm making my yearly pilgrimage to San Fransico to teach at PAW. I'll also be giving a short talk at the Bay Area R Users Group on model tags in the caret package and the code that produced this interactive plot. It is at 7:00 PM on Monday March 17th at ... [Read more...]

I'm making my yearly pilgrimage to San Fransico to teach at PAW. I'll also be giving a short talk at the Bay Area R Users Group on model tags in the caret package and the code that produced this interactive plot. It is at 7:00 PM on Monday March 17... [Read more...]

I watched Hadley Wickham's excellent talk on tidy data and tidy tools, and decided to use this as an opportunity to learn about a few of his R packages. (In case you're unfamiliar with Hadley, he is well-known for his contributions to the R ecosystem, ... [Read more...]

A new bug-fix / maintenance release RQuantLib 0.3.12 is now on CRAN and in Debian. While adding the plugin feature, I was too optmistic about finding the quantlib-config script. This is now tested more carefully. A few things related to building wi... [Read more...]

I am examining IV and oral dosing of problem of Chapter 6, Question 6 or Roland and Tozer Rowland and Tozer (Clinical pharmacokinetics and pharmacodynamics, 4th edition) with Jags. In this problem one subject gets an IV and an oral dose.DataThe data lo... [Read more...]

AQUASTAT, developed and maintained by the Food and Agriculture Organization of the UN, is the global database that gives quantitative information on water resources and withdrawal of water for different uses. Agricultural water withdrawal is defined as follows: Annual quantity of self-supplied water withdrawn for irrigation, livestock and aquaculture purposes. ... [Read more...]

Even a casual fan of North Dakota Hockey will notice that in the era of Coach Dave Hakstol, the team seems to perform better in the second half of the season than the first.  For the rabid fans of the team like myself, it has become a horrible and... [Read more...]

This study has made an attempt to understand, what HR's in a day dealt with at different working hours, by analyzing their emails from a particular organization. Sample size of the study consists of 7 HRs emails who are located at two different locatio... [Read more...]

colorRampPalette is a very useful function in R for creating colors vectors to use as the palette, or to pass as an argument to a plotting function; however, a weakness lies in that it disregards the alpha channel of the colors passed to it when creating the new vector.I ... [Read more...]

Conrad made a first bug-fix release 4.100.2 for Armadillo, his templated C++ library for linear algebra, yesterday. See below for details on the the small set of changes. This was quickly wrapped up in a new RcppArmadillo release 0.4.100.2.1 release... [Read more...]