Publications by Alvaro "Blag" Tejada Galindo
Twitter unfollowers with R and Rook – Revisited
Some time ago I wrote a post called Twitter unfollowers with R and Rook where I used R and Twitter to get a list of the people that we follow…but that doesn’t follow us back…Right now…that post is obsolete as Twitter changed its API to API 1.1 which means that OAuth authentication must be used…So…of course…we’re goin...
1429 sym R (2220 sym/2 pcs) 4 img 2 tbl
Twitter Battle
I love to have fun with R and Twitter…there are a lot of cool things that you can do with it…so I just thought of having a small Twitter Battle application…something that will grab the number of followers and lists from two users…apply some crappy algorithms and determine the Twitter importance between those users…using our ...
885 sym R (4827 sym/1 pcs) 6 img 1 tbl
Machine Learning with R – Book Review
I have to admit it…I’m an R junkie…since the first time I started learning R…it has become an addiction to me…I try to solve every problem with R…which is obviously not the best way to go…but my rule of thumb is…”Try with R first…otherwise…just use something else and then go back to R” -;)This time I was really...
2778 sym 14 img
Social Media Mining with R – Book review
I was really excited when my friend from Packt Publishing send me this book…as I haven’t read any R book in a while…but don’t get me wrong…the book is not bad…it’s just that I expected a little bit more…let me explain a little bit…This book is not too big, which is something I appreciate…it’s 122 pages…it comes...
1373 sym 6 img
Julia versus R – Playing around
So…as time goes by, I’m getting more proficient with Julia…which is something fairly easy as the learning curve is pretty fast…I decided to load a file with 590,209 records that I got from Freebase…the file in question contains Actors and Actresses from movies…you can have a quick look here…For this test, I’m using my ...
3686 sym R (2121 sym/4 pcs) 18 img 4 tbl
Bioinformatics with R Cookbook – Book Review
I just finished reading Bioinformatics with R Cookbook…so here’s my review -:)I was excited to read this book, because it’s been a while since I read any R book…but…I gotta admit…this is not my kind of book…as I discovered that obviously I had minus one experience in Bioinformatics…The book is not short but not long e...
1568 sym 8 img
LED is my new Hello World – R Time
Yep…as I have said many times before, the LED Number application has become my new Hello World…whenever I learn a new programming language I try to build this, because it compromises several language constructs and makes you learn more by trying to figure out how to build it again…Yesterday I blog about how to build it using Has...
1055 sym R (819 sym/1 pcs) 2 img 1 tbl
Exploring SparkR
A colleague from work, asked me to investigate about Spark and R. So the most obvious thing to was to investigate about SparkR -;)I installed Scala, Hadoop, Spark and SparkR…not sure Hadoop is needed for this…but I wanted to have the full picture -:)Anyway…I came across a piece of code that reads lines from a file and count how ...
2399 sym R (2106 sym/5 pcs) 14 img 5 tbl
Nest Thermostat and R – Creating a Shiny dashboard
This post was originally posted on Nest Thermostat and R – Creating a Shiny dashboard.If you are an SAP Employee, please follow us on Jam.At the d-shop we’re always looking forward to play with the latest technologies…a while the Nest Thermostat is not really “new”, we’re in the process of getting one.For now, we are happy to be able ...
2327 sym R (2368 sym/1 pcs) 14 img 1 tbl
Nest Thermostat and R – Creating a Shiny dashboard
This post was originally posted on Nest Thermostat and R – Creating a Shiny dashboard.If you are an SAP Employee, please follow us on Jam.At the d-shop we’re always looking forward to play with the latest technologies…a while the Nest Thermostat is not really “new”, we’re in the process of getting one.For now, we are happy to be able ...
2327 sym R (2363 sym/1 pcs) 14 img 1 tbl