Linear Regression Forecasting Flashcards
1
Q
What variable is time
A
Time is the independent variable
2
Q
How to get regression analysis
A
Data - data analysis - regression - Y= demand x = time - output range wherever you want it
3
Q
What formula do we need
A
Y= a+bx
A = intercept
B= slope/gradient (period)
X= period number
4
Q
Drawback to linear regression
A
Seasonal variation can screw forecasting
