Investing for the Long Run

I often get asked about how to invest in the stock market. Not surprisingly, this has been a common topic in my classes. Brazil is experiencing a big change in its financial scenario. Historically, fixed income instruments paid a large premium over the stock market and that is no longer... [Read More]
Tags: R, finance, investing, BatchGetSymbols

Predatory Journals and R

My paper about the penetration of predatory journals in Brazil, Is predatory publishing a real threat? Evidence from a large database study, just got published in Scientometrics!. The working paper version is available in SSRN. [Read More]
Tags: R, Bealls list, predatory journals

Writing papers about packages

Some advices from a referee

Back in 2007 I wrote a Matlab package for estimating regime switching models. I was just starting to learn to code and this project was my way of doing it. After publishing it in FEX (Matlab file exchange site) I got so many repeated questions on my email that eventually... [Read More]
Tags: R, research

The Brazilian post office and R

While I would like to post a success story about the Brazilian post office using R to analyze its internal data, the real story is the use of R’s logo for its Registered mail :). Have a look: [Read More]
Tags: R, logo