Re: [R-sig-Geo] Area calculation of forest cover classes.

2019-09-14 Thread Sarah Goslee
Hi Enoch, It's inappropriate to email just me, rather than the whole list - I don't have the capacity to provide private tutorials. You could import your prediction maps into a GIS you're more familiar with. You could read a tutorial on the raster package, which provides tools to do what you

Re: [R-sig-Geo] Area calculation of forest cover classes.

2019-09-12 Thread Sarah Goslee
Hi, Without knowing any details of what you did, the general procedure is: Use your fitted Random Forest or SVM model to predict the class for each pixel in your region of interest - the predict() function. Use standard spatial data methods to aggregate the resulting spatial data, or even

[R-sig-Geo] Area calculation of forest cover classes.

2019-09-12 Thread Enoch Gyamfi Ampadu
Dear List, Please I have carried out an RF and SVM forest cover classification in R. I want to determine the area in hectors for each of the forest cover classes. I have not been able to find my way out on it. I wanted to ask if it is possible to do this in R and will be glad to have assistance