## Blog Posts

### Reading List Faster With parallel, doParallel, and pbapply

### Will Brazil Goes to a Instant Runoff Election?

Pundits have been asking themselves over the last days if the Brazilian far-right candidate would win the election in the primary runoff.### UK General Election 2017: May vs June

Pundits have been asking themselves over the last days how did Theresa May's gamble fail? I would say it could have been even worse.### May the Force of R be With You, Always!

With Telegram, the force of R can always be with me, where I have data.### The Effective Number of Parties in the Electorate by Year and Region

Using the American National Election Studies, compute the Effective Number of Parties in the electorate across regions and years/waves.### Yet the Worst Olympic Chart

The Olympics barely began but we already have the worst chart winner.### Calculating Memory Requirements

A post about size and memory requirements that a computer must have to deal with a data frame.### What is reproducible research?

This entry states a minimalist view of reproducible research: The capacity of repeating an experiment in any place with any person.### R packaging industry close-up: How fast are we growing?

This entry brings in a quick analysis of the rate R packages have been published in the official repository (CRAN).### Everything Ends on Wednesday

This post approaches HIV incidence rate among Brazilians and simulates several levels of HIV infection.### The Star Wars Grossing War

This post shows how to scrap data from 'boxofficemojo.com', then to clean and visualize the data.### Gender Effect in Conference Talks

The entry discuss a study that finds strong gender effects in conference talks### Data, Data, Data

Shows the distribution of therapeutic communities in Brazil.### Venezuelan Parliamentary Election: What do the Polls Say?

This entry explores the coming legislative election in Venezuela: Government is about to lose the majority.### Venezuela's 2015 Parliamentary Elections: Pollsters Variability

This post shows the tremendous variability from pollster to pollster about the voting intention among Venezuelans.### Retrieving Data from Google Books with `ngramr`

The post explores the Google Ngram Viewer service requested from.### Competing views on Argentina's Frontrunner

This post analyze the very few polls published so far on the Argentina's runoff election. Overall, polls seem to be telling two distinct histories.### House Effects in Argentinian polling

This post presents the estimated house effects for the main presidential candidates in Argentina, considering more than 115 polls since 2014.### Paranormal Distribution

This is funny.### A Talk About Campaign Finance in Brazil

This post provides some unsolicited comments on the campaign finance issue.### Understanding Margin of Error for Small Populations

This post discusses margin of error, gives some theoretical reasons and apply them to a real poll.### The Butterfly Curve

This post shows the implementation of the butterfly curve equation in R, and its output plot produced with ggplot2.### Isn't sad that all that matters in an election is the candidate's height?

This post discusses the importance of candidates' stature in US presidential elections.### The Greek thing

This post uses Bayesian methods to analyze polling data of Greek Referendum.### R has a new consortium, should we celebrate?

This post presents some ideas about the new R Consortium.### Network analysis with igraph

This post provides some basic ideas on network analysis using R packages### Stacking files made easy

This post shows how one can download a bounce of datasets, merge and store them to an existing RData file for posterior analysis.### flowers-and-fractals

Flower Festival in Joinville: I never had thought on flowers to be like fractals### Runoff in Uruguay: FA is expected to win a third mandate

This entry briefly analyzes the population of polls for the coming election in Uruguay: Voters will decide between FA and PN in a short runoff election.### Frente Amplio Winnability

This entry briefly analyzes the population of polls for the coming elections in Uruguay.### A Bit More Fragmented

This entry discusses the legislative elections in Brazil, which turned out to produce one of the most fragmented parliament in the world.### Yep. He made it, the country voted No

This post talks big about my last predictions for the Referendum in Scotland.### Bayes says `don't worry` about Scotland's Referendum

This post uses Bayesian methods to show the anti-independence vote has an overwhelming advantage over the pro-independence side.### Discontinuity Bayesian Forecasting

The post presents some ideas of a more robust Bayesian linear filtering models to forecast Brazilian subnational elections.### Parallel computing in R

This post shows parallel computing is incredibly useful, but not every thing worths being distributed across as many cores as possible.### Do you believe in World Cup superstition?

If you believe in supernatural causality, you will love what the numbers say about the World Cup in Brazil.### Got Bootstrap?

This post discuss some of the techniques of bootstrapping in R, presented in the new book by Michael Chernick and Robert LaBudde.### Parallel Processing: When does it worth?

This post shows parallel computing is incredibly useful, but not every thing worths being distributed across as many cores as possible.### Showing Explained Variance in Multilevel Models

The post shows a way of displaying explained variance of multilevel models using line chart.

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