Data sets will be placed here for download. All zip files contain a ReadMe text file explaining their content.
The test data set for comparing results with SPD can be found here
The table of the SPD statistic values for this test data set can be found here
The full historical data set analyzed by Paterson et al. (2014) can be found here
Codes to calculate SPD will be placed here for download
A MATLAB routine for calculating the SPD statistics can be found here
Code for calculating the curvature of an Arai plot (Paterson, 2011) can be found here
This zip file contains a full MATLAB routine for determining Arai curvature as well as C++ for least-squares circle fitting.