Trailing-Edge
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PDP-10 Archives
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decus_20tap2_198111
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decus/20-0026/expon.doc
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SAMPLE MAIN PROGRAM FOR TRIPLE EXPONENTIAL SMOOTHING - EXPON
PURPOSE
(1) READ THE PROBLEM PARAMETER CARD AND A TIME SERIES,
(2) CALL THE SUBROUTINE EXSMO TO SMOOTH THE TIME SERIES,
AND (3) PRINT THE RESULT.
REMARKS
A SMOOTHING CONSTANT SPECIFIED IN THE PROBLEM PARAMETER
CARD MUST BE GREATER THAN ZERO BUT LESS THAN ONE IN ORDER
TO OBTAIN REASONABLE RESULTS.
SUBROUTINES AND FUNCTION SUBPROGRAMS REQUIRED
EXSMO
METHOD
REFER TO R. G. BROWN, 'SMOOTHING, FORECASTING AND PREDICTION
OF DISCRETE TIME SERIES', PRENTICE-HALL, N.J., 1963,
PP. 140 TO 144.