Case Studies Archive

USDA Textural Soil Classification

Warning: array_key_exists() expects parameter 2 to be array, null given in /home/wwwggterncom/ on line 320
Included in the next version ( of ggtern, will be a new data set, taken from

PPS 3-State Model

I recently found THIS site on the internet which I thought would be another good case-study.


Sean Mulcahy made an example of plotting Elkin and Grove's 1990 Feldspar Data. Here is an