The rainfall received by Quezon City, Philippines was almost double of what the city normally receive for the entire m...

Majority of Metro Manila is affected by floods. Looking at the hourly data from PAGASA weather  station located at Bicutan, Taguig, the gra...

Preparing for a future conference on climate change, I downloaded and extracted average monthly rainfall in the Philippines from worldclim.o...

This blog demonstrates how to produce political/provincial boundary map (below) using R maptools and raster packages.  

In a teaching demo that I have conducted, I discussed on how R can be used to analyze trends and spatial pattern of poverty incidence in th...

In my previous post, I showed how to make a 3D view of an area using the persp function. However, I felt this was not a complete represent...

Taken from a previous post in other website, maps below show the locations of epicenters and sequence of earthquakes that struck Negros las...