Top and bottom values for groups
Using R and dplyr to extract minimum or maximum (or both) variable values within groups.
Welcome
Personal site with research updates, blog posts, and bio.
Recent posts
Diverging bar plots
Making diverging stacked bar plots in R using ggplot.
Grouping points
Four ways to draw polygons around groups of points using ggplot2.
Agrupando Puntos
Cuatro maneras de agrupar puntos en dos dimensiones con ggplot.
Measuring point overlap
Measuring spatial overlap with point data.
Science Is Global
Emoji flags, international research, and tweet analysis in R.
R para tareas espaciales
Extraer valores de uno o más raster a partir de coordenadas xy usando R.
Basic biodiversity data-wrangling operations
Manipulating variables and content in biodiversity datasets using base R and dplyr.