A multivariate chi-squared test for evaluating goodness of fit.
input
text_xX.spc: expected frequency spectrum at N_0
text_xX.sp2: expected spectrum at 2N_0
text_xX.ev2: expected vocabulary size at N_0 and 2N_0
options
-h: display on-line help
-mZ: use the first m ranks only (default: use all m in X.spc)
output
text_xX.chi: goodness-of-fit statistics
text_xX.cov: the covariance matrix