SYSTEM: V2.10
NUMBER: 252 MODULE: utilities.polyfit SYSTEM: V2.10 DATE: Mon Jul 11 09:17:27 MST 1994 FROM: davis BUG: The computation of chisqr and stdev are too large by a factor if yavg ** 2 if the weighting parameter is 'instrumental' and abs(yavg) if the weighting parameter is 'statistical'. STATUS: Fixed in 2.11. There is no workaround except to apply the correction factors manually.