X11 output C 1 - Original Series Modified by Preliminary Weights and Adjusted for Trading-day and Prior Variation
The series in
B 19 (or
B 1 if no trading-day adjustment was requested) is adjusted for extreme values by the weights computed in
B 17 The resulting modified series in shown in this X-11 table (C 1).
For more information, see
X-11 Census Method II Seasonal Adjustment .