Re: [R] Visualising SOM as hexagonal heatmaps

2013-08-21 Thread Roger Bivand
Adam Szałucha gmail.com> writes: > > I have a kohonen object generated with grid parameters grid = > somgrid(20, 20, "hexagonal"). Standard plot shows the codebook vectors > for all variables. I want to have a hexagonal heatmap for each > variable. > > I found in Applied Spatial Data Analysis w

[R] Visualising SOM as hexagonal heatmaps

2013-08-20 Thread Adam Szałucha
I have a kohonen object generated with grid parameters grid = somgrid(20, 20, "hexagonal"). Standard plot shows the codebook vectors for all variables. I want to have a hexagonal heatmap for each variable. I found in Applied Spatial Data Analysis with R code to generate hexagonal grid. library("s