Publications by Alvaro "Blag" Tejada Galindo
A Shiny example – SAP HANA, R and Shiny
As you may already know…I love R…a fancy, open source statistics programming language. So today, I decided to learn something new using R.There aren’t much Web Servers for R, but there’s one that I really like called Rook, that I covered on my blog RSAP, Rook and ERP.Today, I tried a new one that’s is making a lot of noise in the R comm...
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When SAP HANA met R – What’s new?
Since I wrote my blog When SAP HANA met R – First kiss I had received a lot of nice feedback…and one those feedbacks was…”What’s new?”…Well…as you might now SAP HANA works with R by using Rserve, a package that allows communication to an R Server, so really…there can’t be too many new features…but…the cool thing is that SA...
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PowerBuilder and R get together
The other day I was thinking about writing a blog using PowerBuilder, but couldn’t decide which one other technology I should integrate it…of course…R came to my mind…My journey started around 4 days ago…when I start looking for ways to call R from an external language…last time I used Rook and Heroku to call R from SAP Mobile Platfor...
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Getting flexible with SAP HANA
Most of you might not be aware of a feature introduced on SAP HANA SPS5. This new feature is called “Flexible Tables”, which means that you can define a table that will grow depending on your needs. Let’s see an example…You define a table with ID, NAME and LAST_NAME. The table works fine, but you realize that you need to also add the Phon...
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SAP HANA and R – Keep shining
Since I discovered Shiny and published my blog A Shiny example – SAP HANA, R and Shiny I always wanted to actually run a Shiny application from SAP HANA Studio, instead of having to call it from RStudio and having to use an ODBC connection.A couple of days ago…this blog Let R Embrace Data Visualization in HANA Studio gave me the p...
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SAP HANA OData and R
As you might have discovered by now…I love R…it’s just an amazing programming language…By now…I have integrate R and SAP HANA via ODBC and via the SAP HANA-R integration…but I have completely left out the SAP HANA OData capabilities.For this blog, we’re going to create a simple Attribute View, expose it via SAP HANA and ...
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Forecasting with Neural Network (using SAP HANA and R)
Usually…when I use R…I try to use it with SAP HANA as well…and the most simple way to make them work is for sure an ODBC connection….fast and simple…First, I went to my SAP HANA Studio to get the query…which is basically…get all the seats (First, Business, Economy) from all flights that happened between 2010 and 2012.Que...
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Running R inside SAP HANA Studio
*DANGER* This is just a silly blog and shouldn’t be taken any seriously.*DANGER*Ok…you may wonder…why is Blag writing a silly blog? Well…I’m a Developer Evangelist…and it’s my job to keep developers entertained Also…I have so free time to spareAs you all may know…SAP HANA Studio runs on top of Eclipse…which means that if we ...
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Calling R from the ERP – A dirty little hack
Since I joined SAP around 2 years ago, I simply stopped using ABAP…even when I use it for almost 11 years when I was a consultant…A week ago, I was thinking about writing a new blog…something nice…some hacky…something that would allow me to just rest and don’t blog for the rest of the year…I thought about ERP and R…whi...
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Web Application Development with R Using Shiny – Book review
As may already know (As I have said this a thousand times) I love R -:) And of course…I love Shiny -;)Today I had the opportunity to read a nice little book called Web Application Development with R using Shiny.This book starts of course with a small introduction to R, which is more than enough to get started as Shiny will have you ...
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