I have a raster object in R. I know is a raster because when I do class(pres_kriged_rst) I get [1] "RasterLayer" attr(,"package") [1] "raster" Also, if I "look&quo...

I have a dataframe that looks like this, and would like to convert the left-most column into an actual index, with the label "id". I tried to rename it with colnames<- but it didn't work...

I have four points that represent the locations of four air quality monitoring stations. These four stations have the following parameters. Station Lat Long 1 Toronto Downtown 43....

I'm having trouble finding documentation on how to change the x and y axes from coordinates (extent) to nrow and ncol (dimension). When I plot a raster: r1 <- raster(ncol=10, nrow=10, crs="EPS...