Blog Archives

Sakura blossoms in Japan

April 10, 2017
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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 watching the cherry blossoms, philosophising abo...

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Our R package roundup (2016)

December 31, 2016
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Our R package roundup (2016)

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 nice to argue endlessly which R package was th...

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Build your own offshore company

July 6, 2016
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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 training and whatnot. I was repeatedly asked by other participants “so, how do you want to monetise your idea?”. My answer was simple: I...

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IP string to integer conversion with Rcpp

May 19, 2016
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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 the IPs stored as a character (e.g. 10.0.0.0), while the other dataset had the IP addresses converted as integers (e.g. 167772160). Storing IPs as...

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German Temperature Data

May 12, 2016
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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. Fact: if it’s cold, you can put on another piece of clothing until you’re feeling warm again. If, however, it’s warm… Well, there’s only a limited...

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Our R package roundup (2015)

December 30, 2015
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Our R package roundup (2015)

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 argue endlessly which R package was the best/neatest/most fun/most useful/most whatever in this year! Since we are in a festive mood, we decided...

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James Bond movies

November 14, 2015
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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 alert! – is pretty bad. It also got me to reminice about the good Bond films of the past....

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Rebuilding Map Example With Apply Functions

September 30, 2015
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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 for R. “Where dplyr focusses on data frames, purrr focusses on vectors” – Hadley Wickham in a blogpost The core of the package consists of map functions, which operate similar to...

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xkcd survey and the power to shape the internet

September 2, 2015
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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 “ webcomic of romance, sarcasm, math, and language” created by Randall Munroe. Also, if you’ve never heard of xkcd, be prepared for losing at least a day’s worth of productivity reading the comics and the excellent what if column where Randall answers hypothetical questions with physics. Randall...

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

August 22, 2015
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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 quickly and wonder why I am still even trying to use it. I just mostly end up with messy, broken, “ungitable” and unreadable analyses and I...

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