[R-sig-Geo] help with 2d- Density plots (ggplot2)

2016-01-15 Thread Amao Abduljamiu
Dear All, I need help with 2d- Density plots (ggplot2)... I'm trying to plot ecological distribution of some species of organisms i'm studying over the Arabian/Persian Gulf. Here is a sample of code i've tried, Backround layer nc <- get_map("Persian Gulf", zoom = 6, maptype = 'terrain', langua

Re: [R-sig-Geo] Universal Block Kriging covariate definition

2016-01-15 Thread Bruin, Sytze de
On 14/01/16 12:35, Bruin, Sytze de wrote: > I believe the residual variogram should then be computed using the covariate > data at block support. > > Sytze de Bruin > Wageningen University > Laboratory of Geo-Information Science and Remote Sensing why? -- Edzer Pebesma Institute for Geoinformatic