Blog Archives

Argentine’s 2015 Presidential Election Forecasts

October 21, 2015
By
Argentine’s 2015 Presidential Election Forecasts

Predictions The model I built to forecast the Argentine’s 2015 presidential election indicates the official candidate have a significant chance of making it right way this Sunday, avoiding a runoff with Mauricio Macri in November. The electoral prefe...

Read more »

Paranormal Distribution

October 20, 2015
By
Paranormal Distribution

What if, instead of a normal, you got a paranormal distribution? In case you want to read an influential paper on this matter, you can find it here. library(ggplot2) library(gridExtra) theme_old <- theme(panel.grid.minor = element_blank(), ...

Read more »

A Talk About Campaign Finance in Brazil

October 17, 2015
By
A Talk About Campaign Finance in Brazil

Last week, I delivered a talk at University of Brasilia about my past research on the topic of campaign finance. I didn’t know in advance about the existence of this seminar. Indeed, it was a big surprise receiving the invitation from Prof. Marcelo P...

Read more »

A Talk About Campaign Finance in Brazil

October 17, 2015
By
A Talk About Campaign Finance in Brazil

Last week, I delivered a talk at University of Brasilia about my past research on the topic of campaign finance. I didn’t know in advance about the existence of this seminar. Indeed, it was a big surprise receiving the invitation from Prof. Marcelo P...

Read more »

Understanding Margin of Error for Small Populations

October 13, 2015
By
Understanding Margin of Error for Small Populations

I got an email today inquiring if the margin of error reported in the newest poll by Datafolha would possibly be misleading. The polling firm often report surveys with regular sizes (1000/2400), so the margin of error calculated is in the range of +/-2...

Read more »

Understanding Margin of Error for Small Populations

October 13, 2015
By
Understanding Margin of Error for Small Populations

I got an email today inquiring if the margin of error reported in the newest poll by Datafolha would possibly be misleading. The polling firm often report surveys with regular sizes (1000/2400), so the margin of error calculated is in the range of +/-2...

Read more »

Understanding Margins Of Error

October 13, 2015
By
Understanding Margins Of Error

— layout: page subheadline: “Discussion” title: “Understanding Margins of Error for Small Populations” teaser: “A comment on why does a pollster reported a narrow margin of error despite the small sample.” date: 2015-10-13 09:00:00 categ...

Read more »

The butterfly curve

October 7, 2015
By
The butterfly curve

I came across the butterfly curve, which was discovered by Temple Fay. The butterfly curve is produced by a parametric equation where: x = sin(t) * (e^cos(t)-2cos(λt)-sin(t/12)^5) and y = cos(t) * (e^cos(t)-2cos(λt)-sin(t/12)^5) . Where t stands for ...

Read more »

The butterfly curve

October 7, 2015
By
The butterfly curve

I came across the butterfly curve, which was discovered by Temple Fay. The butterfly curve is produced by a parametric equation where: x = sin(t) * (e^cos(t)-2cos(λt)-sin(t/12)^5) and y = cos(t) * (e^cos(t)-2cos(λt)-sin(t/12)^5) . Where t stands for ...

Read more »

Isn’t sad that all that matters in an election is the candidate’s height?

September 15, 2015
By
Isn’t sad that all that matters in an election is the candidate’s height?

I came across the claim in the US press suggesting that the taller the candidate, the better his/her chances for success in presidential elections. After a little search, I found this Wikipedia entry, and even some academic research on the issue, mainl...

Read more »


Subscribe

Email:

  Subscribe