geobr is a computational package to download official spatial data sets of Brazil. The package covers a wide range of spatial data sets, available at various geographic scales and for various years ...

Few animals capture attention quite like giant snakes. Their size alone is enough to spark curiosity, and among the largest of them, anacondas and pythons are often mentioned in the same breath. Both ...

George R.R. Martin has said that if he never completes Game of Thrones sequel Winds of Winter (or the book after that), there's no plan for anyone else to step in. Instead, his Song of Ice and Fire ...

The package contains functions to compute option-implied moments and characteristics from implied volatility surface data. The computations are based on the out-the-money (OTM) implied volatilities, ...