HI
I have a series of 5 totals for each year, the slope function over the 5 totals returns 57.6
How do I apply the slope to a subset of the totals
The total are 2106, 2008, 2147,2288. slope = 57.6
My subset is
131,158,138,132,547. I want to predict the next number ignoring the first 3...