For the last year of depreciation, DB equals the remaining depreciable value for the prior year.
Sum and Statistics
n=number of items in the list. x’=an element of the sorted list.
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TOTAL = Σxi | MEAN |
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MEDIAN = xj′ | for odd n, where |
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MEDIAN = | (xj′ + xj + 1′ ) | for even n, where | j = | n |
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| STDEV = | Σ(xi | − | x | )2 |
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W.MN = | Σ | (yi - xi ) | G.SD = | Σyi | xi2 − (Σyi ) | x | 2 | |||||||||||||||
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| (Σyi ) | − 1 |
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RANGE = MAX - MIN
Forecasting
| Model | Transformation | Xi | Yi |
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LIN | y = B + Mx | y = B + Mx | xi | yi |
EXP | y = BeMx | In y = ln B + Mx | xi | ln yi |
LOG | y = B + M ln x | y = B + M ln x | ln xi | yi |
PWR | y = BxM | ln y = ln B + M ln x | ln xi | ln yi |
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| B: More About Calculations 251 |
File name : | Print data : 2003/7/11 |