code123 questions

• Bounding box for each polygon in SpatialPolygonsDataFrame R
• Apply multiple functions to two dataframes column-wise
• Use layout function within levelplot
• Add vline to geom_density and shade confidence interval of mean R
• parLapply multiple arguments R
• levelplot box line width R
• Raster map with discrete color scale for negative and positive values R
• Relassify continuous raster data into binned classes with discrete colors
• Add XY points to raster map generated by levelplot
• Plotting a raster with the color ramp diverging around zero

code123 answers