Articles by Daniel's Blog

UK General Election 2017: May vs June

June 8, 2017 | Daniel's Blog

Pundits have been asking themselves over the last days how did Theresa May’s gamble fail? Although the Conservative party received 42% of the vote, Labour received 40%, and all the other parties received 18% between them. The Tories lost their parli... [Read more...]

May the Force of R be With You, Always!

January 2, 2017 | Daniel's Blog

With my Telegram account connected to @TeleR, the force of R can always be with me, where I have data. The following is a screenshot of my mobile: If you want to have R where you are too, you will only need a Telegram account, then search for the pu... [Read more...]

Yet the Worst Olympic Chart

August 5, 2016 | Daniel's Blog

Ah, the numbers! The Olympic Games are back in high style in Rio. Despite Brazil’s sluggish economy and unfulfilled promises for this Summer Olympic Games, I’d say, my expectations were met yesterday with such a beautiful opening ceremony. Let’s ... [Read more...]

Calculating Memory Requirements

July 19, 2016 | Daniel's Blog

I had a conversation with people at the office about size and memory requirements that a computer must have to deal with a data frame. It started like this: suppose you have a data frame with 2,000,000 rows and 250 columns, all of which are numeric dat... [Read more...]

What is reproducible research?

June 22, 2016 | Daniel's Blog

I was asked about my understanding of reproducible research, and how that applies to social research. Here is how I see: Reproducible research is key to any scientific method, including applied social sciences. My minimalist understanding of reproduci... [Read more...]

Everything Ends on Wednesday

February 11, 2016 | Daniel's Blog

The Brazilian Carnival just ended this week, but for some people it is time to starting worry about crazy things that may have happened over the days of the flesh festival. Watching the news, the spokesperson of the Test and Prevention Center (CTA) in Brasilia estimated that the number of ... [Read more...]

The Star Wars Grossing War

January 10, 2016 | Daniel's Blog

Motivation I could finally made to the movies for watching the new Star Wars release this weekend. Although this episode wasn’t that spectacular, in my view, it did inspire some data seeking afterwards. I wanted to know how this film compares to others top movies in terms of worldwide ... [Read more...]

The Star Wars Grossing War

January 10, 2016 | Daniel's Blog

Motivation I finally made to the movies for watching the new Star Wars release this weekend. Although this episode wasn’t that spectacular, in my view, it did inspire some data seeking afterwards. I wanted to know how this film compares to others top... [Read more...]

Gender Effect in Conference Talks

December 21, 2015 | Daniel's Blog

I was searching in the arXiv repository for an interesting paper to read over the weekend, when I found this: “Studying Gender in Conference Talks – data from the 223rd meeting of the American Astronomical Society”. The title and figures caught m... [Read more...]

Flowers Fractals, or Fractal Flowers

November 20, 2014 | Daniel's Blog

Last week I attended a “Flower Festival” in Joinville, where I had opportunity to admire several of among the most beautiful and awarded flowers, orchids, and decoration plants. Surprisingly, though, I never had thought on flowers like fractals the way I did this time. Introduction Fractals attract lots of interest, ... [Read more...]

Yep. He made it; country voted No

September 18, 2014 | Daniel's Blog

Yesterday, more Scots than ever since universal suffrage was introduced cast a ballot on the matter of independence. The turnout was itself phenomenal and that potentially implicates a series of questions for the government authorities and citizens. For the time being the sole question is: would this benefit one side ... [Read more...]

Drawing maps using shape files and R

October 3, 2011 | Daniel's Blog

Sometimes, the only thing we want is a chart that speaks for itself rather than boring regression tables in our research paper. Graphs are efficient at showing the broad picture of an issue. In fact, graphs in research papers seem to be gaining a momentum in political science. If you ... [Read more...]

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