Automating the execution, testing and deployment of R work is a very powerful tool to ensure the reproducibility, quality and overall robustness of the code that we are building, be it for data analysis and modeling purposes, developing R packages or even blogging. Modern tools also provide a free an … Read moreHow to easily automate R analysis, modeling and development work using CI/CD, with working examples
We had published a web scraping tutoriala couple of days back and it had received a good response from the #rstats community. Whilewe thank you for that, we made a mistake in choosing one of the case study aspointed out by @hrbrmstr in this tweet: Whomever runs “R Squared Academy” … Read moreA follow up note on our web scraping tutorial
BatchGetSymbols is my most downloaded package by any count. Computation time, however, has always been an issue. While downloading data for 10 or less stocks is fine, doing it for a large ammount of tickers, say the SP500 composition, gets very boring. I’m glad to report that time is no … Read moreBatchGetSymbols is now parallel!
Out: [[‘Runs’, ‘Mins’, ‘BF’, ‘4s’, ‘6s’, ‘SR’, ‘Pos’, ‘Dismissal’, ‘Inns’, ‘Opposition’, ‘Ground’, ‘Start Date’], [’15’, ’28’, ’24’, ‘2’, ‘0’, ‘62.5’, ‘6’, ‘bowled’, ‘2’, ‘v Pakistan’, ‘Karachi’, ’15-Nov-89′], [‘DNB’, ‘-‘, ‘-‘, ‘-‘, ‘-‘, ‘-‘, ‘-‘, ‘-‘, ‘4’, ‘v Pakistan’, ‘Karachi’, ’15-Nov-89′], [’59’, ‘254’, ‘172’, ‘4’, ‘0’, ‘34.3’, ‘6’, ‘lbw’, ‘1’, ‘v … Read moreBig Data: On RDDs, Dataframes,Hive QL with Pyspark and SparkR-Part 3
Hi R-Lovers! It was great to meet you on our last event, we hope you felt the same! For those of you who couldn’t make it, here’s a brief resume of what we talked about. From Data to insights: an overview What’s the real value of a data product?Can Design … Read moreFrom Data to Insights: photos and resources
When I set up an R server for clients they often want to be able to install packages so that all users on the machine have access to them. This requires them to be able to install the packages onto the root filesystem rather that under their individual home directories. … Read moreSetting up an R Admin Group
As mentioned earlier, we will first check if we can scrape data from the webpage using paths_allowed() from the robotstxt package. We need tospecify the url of the web page using the paths argument. If we can accessthe web page, paths_allowed() will return TRUE, else FALSE. Since it has returned … Read morePractical Introduction to Web Scraping in R
Overview Today, I used a shiny app to run a classroom experiment in the first class of my introductory cost accounting course. I uploaded code, data and materials to github so that everybody can reuse it to construct similar experiments and, of course, to replicate the results from our experiment. … Read moreA Shiny Classroom Experiment with Real-Time Results Presentation
For all who couldn’t make it to our last ViennaR Meetup on March 18, 2019 at Webster Vienna Private University here just a short summary of the talks and takeaways. R-Ladies Laura Vana introduced the R-Ladies Vienna – a program initiated by the R-Consortium to achieve proportionate representation by encouraging, … Read moreViennaR Meetup March – Impressions
I finished the #100DaysOfCode challenge and it feels great! I will tell you a little a bit about my experience. Top 5 Takeaways: Sitting down and writing code every day is not easy Planning is critical to your success Staying motivated requires effort Being excited about your project makes a … Read more100 Days of Code – Completed!