Research Article
Forecasting Performance of Lumber Futures Prices
Table 5
Sign test results.
| Forecast horizon | Sign test frequency | Binomial ā value |
| 2 months | 70/112 | 0.005 | 4 months | 67/112 | 0.024 | 6 months | 67/112 | 0.024 | 8 months | 66/112 | 0.036 |
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hypothesis: probability of same sign is greater than 0.5.
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