intable, f, a, "", , ,		">input table name"
outtable, f, a, "", , ,		">output table name"
itermax, i, a, 100, 1, ,	">maximum number of iterations"
tolern, r, a, 1.e-12, , 1,	">tolerance of sigma-squared's convergence"
frac, r, a, 0.5, 0, 1,		">specified fraction applied to the coefficients modification"
xweight, r, a, -2, , ,		">weighting scheme of analog count rate"
yweight, r, a, -2, , ,		">weighting scheme of digital count rate"

mode, s, h, h