Publications by Alvaro "Blag" Tejada Galindo

Twitter unfollowers with R and Rook

12.06.2012

In my last blog I’m following you in Twitter…are you following me back? I show you how to use the Twitter APIs to get a list of the people that you follow but doesn’t follow you back.This time, I want to extend the tool as I installed the Rook library on my RStudio -:)So..what is Rook? Nothing more that just a nice Web Server ...

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Analytics with SAP and R (Windows version)

22.06.2012

My good friend and programming guru Piers Harding wrote a blog called Analytics with SAP and R where he showed us how to link the wonderful worlds of R and SAP. Yes…SAP…not SAP HANA…but the good old NetWeaver…Piers build the RSAP extension using Linux…but I’m a Windows user…so we start the discussion and collaboration on how to buil...

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When SAP HANA met R – Bring home your graphics

28.06.2012

A couple of days ago, I started to think about SAP HANA and R on Amazon Web Services…as far as I know, graphics can’t get generated using this kind of integration because the graphic will get generated on the server and could not make the trip back into HANA Studio…so I kept thinking as said to myself…”Wouldn’t it be a good idea to us...

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RSAP, Rook and ERP

06.07.2012

As I wrote in my blog Analytics with SAP and R (Windows version) we can use RSAP to connect to our ERP system and play with the data. This time I wanted of course, to keep exploring the capabilities of RSAP, but using something else. As everybody knows, I love micro-frameworks, so for R that not an exception…gladly, Rook came to the rescue…...

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Quick SAP HANA and R usecase

13.08.2012

DISCLAIMER: I’m not an SAP HANA expert or an R expert, not even a Python expert. I’m just a guy with a lot of ideas who loves to write blogs.The other day I was thinking about making some nice with SAP HANA and R, because people doesn’t seem to be enough interested in R yet, and that’s a real shame…R is just awesome and SAP HANA is more...

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Keeping track of my calories the R way

07.10.2012

So…I’m back with Your Shape: Fitness Evolved 2012 for XBox Kinect. Why? Because I want to loose some weight and get back in shape of course -;)The reason I stop playing the game is simple…I’m lazy…but this time, I have come back with a goal…burn calories!While I’m using the Your Shape IPhone Application which is really g...

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Happy SAP HANA Friends

30.10.2012

This is a presentation that I did on the Community Theatre at SAP TechEd Las Vegas 2012. Happy sap hana friends from Alvaro Tejada In this presentation, Blagbert helps his friends Nerdbert to set up his first SAP HANA project using different technologies like:Python to feed up SAP HANA with some random data.R to consolidate the dat...

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SAP HANA and R (The way of the widget)

03.11.2012

A real developer never stops learning that’s a quote I always love to repeat…because it applies to my life…you can know a lot of things but there’s always something new to learn, or to re-learn. That’s why a couple of days ago I start reading wxPython in Action, a really nice book that show us how to use wxWidgets in Python. While I was...

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Consuming R from SAP Mobile Platform

09.11.2012

Early this year, in March, I was visiting my team mates in SAP Labs Palo Alto, and my good friend a team mate Rui Nogueira asked to participate in his most excellent Technology Innovation Podcast show where we spoke about R and SAP HANA. By the end of the interview I said Rui that I was going to try to connect R and SUP (Which is now called SMP)�...

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SAP CodeJam Montreal

13.11.2012

Thanks to an initiative of Krista Elkin, Jonathan Druker and myself ( with a lot of support from Craig Cmehil and Helena Losada ), SAP CodeJam Montreal is going live on Thursday, December 13, 2012 from 3 to 9 pm in the SAP Labs Montreal offices.This is your chance to learn more about SAP HANA (Tables, Views, Atrtibute Views, Calculati...

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