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Why I Don't Like Jupyter (FKA IPython Notebook)

Don’t get me wrong, it’s certainly a great tool for presenting your code or even reporting, but everytime I use it for explorative, interactive data science, I keep switching to other tools quite...

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Elasticsearch & the German Federal Office for Information Security

To me, coding has always been trial and error. And by trial and error, I mean a considerable amount of errors. Today, I would like to share with you one of the mistakes I made when seting up...

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xkcd survey and the power to shape the internet

The xkcd survey If you’ve never heard of xkcd, it’s “[a] webcomic of romance, sarcasm, math, and language” created by Randall Munroe. Also, if you’ve never heard of xkcd, be prepared for losing at...

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Six lines to install and start SparkR on Mac OS X Yosemite

I know there are many R users who like to test out SparkR without all the configuration hassle. Just these six lines and you can start SparkR from both RStudio and command line. One line for Spark and...

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Rebuilding Map Example With Apply Functions

Yesterday Hadley’s functional programming package purrr was published to CRAN. It is designed to bring convenient functional programming paradigma and add another data manipulation framework to R....

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Emoticons decoder for social media sentiment analysis in R

If you have ever retrieved data from Twitter, Facebook or Instagram with R, you might have noticed a strange phenomenon. While R seems to be able to display some emoticons properly, many other times...

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James Bond movies

James Bond: Do you expect me to talk? Auric Goldfinger: No, Mr. Bond, I expect you to die! James Bond I’m a big James Bond fan, so naturally I went to watch the new Bond movie Spectre which – spoiler...

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Set up Sublime Text for light-weight all-in-one data science IDE

tl;dr Sublime Text is a powerful text editor. Here I introduce how to add custom REPL config for remote/local R, Python, Scala, Spark, Hive, you name it (this is only tested for OS X). The example...

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Our R package roundup

A year in review It’s the time of the year again where one eats too much, and gets in a reflective mood! 2015 is nearly over, and us bloggers here at opiateforthemass.es thought it would be nice to...

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Mini AI app using TensorFlow and Shiny

tl;dr Simple image recognition app using TensorFlow and Shiny About My weekend was full of deep learning and AI programming so as a milestone I made a simple image recognition app that: Takes an image...

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Analyzing Golden State Warriors' passing network using GraphFrames in Spark

Databricks recently announced GraphFrames, awesome Spark extension to implement graph processing using DataFrames. I performed graph analysis and visualized beautiful ball movement network of Golden...

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First 3rd party notebook for Databricks Community Edition

GSW on Databricks Community Edition I‘m happy to announce that my analysis about Golden State Warriors passing network is featured as the first 3rd party notebook to Databricks Community Edition in...

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German Temperature Data

Temperatures Personally, I thrive in cooler weather. In fact, any temperature above 20°C is summer for me, and anything above 25°C is hot. Most people don’t understand me, but I prefer cold over warm....

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IP string to integer conversion with Rcpp

IP address conversion At work I recently had to match data on IP addresses and some fuzzy timestamp matching – a mess, to say the least. But before I could even tackle that problem, one dataset had...

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Animate NBA shot events with Paper.js

tl;dr All the shots and FT attempts in one animation made with NBA spatio-temporal data (maintained by neilmj) and paper.js. The data is from Golden State Warriors vs Denver Nuggets on January 13th...

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Build your own offshore company

Hackathons are not alike Recently, a number of this blog’s authors were at a data hackathon, the strangest one we’ve been to so far. It was more of a startup pitch gathering, complete with pitch...

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Our R package roundup

A year in review And yet again, it’s that time of the year when one eats too much and gets in a reflective mood! 2016 is nearly over, and us bloggers here at opiateforthemass.es thought it would be...

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Emojis Analysis in R

A while ago I developed and shared an emoji decoder because I was facing problems when retrieving data from Twitter and Instragram. In a nutshell, the issue is that R encodes emojis in a way that...

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Sakura blossoms in Japan

Springtime and cherry blossoms It is spring, and the flowers bloom. One tree in particular symbolises this: the Japanese cherry (sakura) tree. Every year, millions of Japanese enjoy hanami, jointly...

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Talk like a pirate day 2017

International Talk Like A Pirate Day Q: What has 8 legs, 8 arms and 8 eyes? A: 8 pirates. Avast, ye scurvy scum! Today be September 19, the International Talk Like A Pirate Day. While it’s a silly...

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