| Linear Regression Model using Excel | |||||
| Container throughput of Gabon | Predictions | Absolute percentage errors | |||
| Year | Throughput | Linear | Exponential | Linear | Exponential |
| 1 | 153,657 | 152,480 | 153,193 | 0.77% | 0.30% |
| 2 | 162,415 | 163,945 | 163,563 | 0.94% | 0.71% |
| 3 | 174,596 | 175,410 | 174,635 | 0.47% | 0.02% |
| 4 | 188,389 | 186,875 | 186,456 | 0.80% | 1.03% |
| 5 | 197,997 | 198,340 | 199,078 | 0.17% | 0.55% |
| 6 |
| 209,805 | 212,554 |
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| 7 |
| 221,270 | 226,942 |
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| 8 |
| 232,735 | 242,305 |
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| 9 |
| 244,200 | 258,707 |
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| 10 |
| 255,665 | 276,219 |
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| MAPE | 0.63% | 0.52% |