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Forecasting Causal regression analysis
Input Data Forecast Error Analysis
Period
Dep Variable
(or) (Y)
Indep Variable
(or) (X)
Forecast Error
Absolute
error
Squared
error
Absolute
% error
1996 68 22 67.122 0.878 0.878 0.772 1.29%
1997 75 25 76.081 -1.081 1.081 1.169 1.44%
Internet Case: Kwik Lube (#1)
Forecasting Causal regression analysis
Input Data Forecast Error Analysis
Period
Dep Variable
(or) (Y)
Indep Variable
(or) (X)
Forecast Error
Absolute
error
Squared
error
Absolute
% error
1996 68 1 61.167 6.833 6.833 46.694 10.05%
1997 75 2 70.548 4.452 4.452 19.824 5.94%
Internet Case: Kwik Lube (#2)
