double sst; /* Sum of squares total. */
double sse; /* Sum of squares error. */
double mse; /* Mean squared error. This is just sse /
dfe, but since it is the best unbiased
estimate of the population variance, it
has its own entry here. */
double sst; /* Sum of squares total. */
double sse; /* Sum of squares error. */
double mse; /* Mean squared error. This is just sse /
dfe, but since it is the best unbiased
estimate of the population variance, it
has its own entry here. */