/* regression.h
   Simple Mandarin tone recognizer: best-fit regression routines

   Jim Gilsinan IV
   gilsinan@post.harvard.edu
   http://www.fas.harvard.edu/~gilsinan/

   Senior Thesis
   Harvard University
   2000-2001
*/

void linear_regression (double * in, int start, int end,
			double * a, double * b);

double linear_fit (double * in, int start, int end, double a, double b);

void polynomial_regression (int deg, double * in,
			    int start, int end, double *a);