Hello Readers, This is a notification post – Did you realize our website has moved? The blog is live at New JA Blog under the domain http://www.journeyofanalytics.com . You can read about the rent analysis post here. If you received this post AND an email from anu_analytics, then please disregard this post. If you received this … Continue reading Zillow...
Making your code run faster is often the primary goal when using parallel programming techniques in R, but sometimes the effort of converting your code to use a parallel...
Finally, -after 24h of failed attempts-, I could get my favourite Hugo theme up and running with R Studio and Blogdown. All the steps I followed are detailed in...
INTRODUCTION The ggvis package is used to make interactive data visualizations. The fact that it combines shiny’s reactive programming model and dplyr’s grammar of data transformation make it a...
Ava Yang It’s Game of Thrones time again as the battle for Westeros is heating up. There are tons of ideas, ingredients and interesting analyses out there and I was...
Income inequality data Ideally the Gini coefficient to estimate inequality is based on original household survey data with hundreds or thousands of data points. Often this data isn’t available...
Introduction My first car was a 13 year Mitsubishi Colt, I paid 3000 Dutch Guilders for it. I can still remember a friend that would not like me to...
The bi-monthly RcppArmadillo release is out with a new version 0.7.960.1.0 which is now on CRAN, and will get to Debian in due course. And it is a big...
As you may have noticed, we have made a few changes to our apps for the 2017 season to bring you a smoother and quicker experience while also adding...
Editor’s Note: The 2017 Chapman University DataFest was held during the weekend of April 21-23. The 2018 DataFest will be held during the weekend of April 27-29. DataFest was founded...
Some time ago (last year actually 😳) I had a blast developing a feature for ggforce which had been on my mind for far to long than its limited utility...
RStudio is excited to announce the availability of RStudio Server Pro on the Google Cloud Platform. RStudio Server Pro GCP is identical...
The first "official" version of R, version 1.0.0, was released on February 29, 200. But the R Project had already been underway for several years before then. Sharing this...
Part 9 of 9 in the series Numerical AnalysisSimpson’s rule is another closed Newton-Cotes formula for approximating integrals over an interval with equally spaced nodes. Unlike the trapezoidal rule,...
On this set of exercises, we are going to explore some of the probability functions in R with practical applications. Basic probability knowledge is required. Note: We are going...
Last week we released an update of the tesseract package to CRAN. This package provides R bindings to Google's OCR library Tesseract. install.packages("tesseract") The new version ships with the latest libtesseract...
On May 31, I made a post here about our R package revisit, which is designed to help remedy the reproducibility crisis in science. The intended user audience includes...
A geographic bubble chart is a straightforward method to visualise quantitative information with a geospatial relationship. Last week I was in Vietnam helping the Phú Thọ Water Supply Joint...
I often create character variables (i.e. variables with strings of text as their values) in SAS, and they sometimes don’t render as expected. Here is an example involving the...
Microsoft Cognitive Services provides several APIs for image recognition, but if you want to build your own recognizer (or create one that works offline), you can use the new...
Somebody nice reached out and gave us this wonderful feedback on our new Supervised Learning in R: Regression (paid) video course. Thanks for a wonderful course on DataCamp on...
Data wrangling, is the process of importing, cleaning and transforming raw data into actionable information for analysis. It is a time-consuming process which is estimated to take about 60-80%...
Preamble There is a lot of confusion among practitioners regarding the concept of overfitting. It seems like, a kind of an urban legend or a meme, a folklore is circulating in data...
A new version of MODIStsp (1.3.3) is on CRAN as of today ! Below, you can find a short description of the main improvements.Processing speed improvements Processing of...
The Challenge Visualizations are one of R’s strengths. There are many functions and packages that create complex plots, often with one simple command. These plotting functions do two things: first,...
If you’ve read the book “R for Data Science” or plan to, now you can dive deeper with co-author and RStudio Master Instructor Garrett Grolemund, winner of the Excellence...
Today, we’re continuing our blog series on new features in RStudio 1.1. If you’d like to try these features out for yourself, you can download a preview release of...
I’m pleased to announce that fiery has been updated to version 1.0 and is now available on CRAN. As the version bump suggests, this is a rather major update to...
Last year, Buzzfeed broke the story that US law enforcement agencies were using small aircraft to observe points of interest in US cities, thanks to analysis of public flight-records...
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