Kosa la Wastani la Asilimia Kamili (MAPE)
Kosa la Wastani la Asilimia Kamili hupima usahihi wa utabiri kama asilimia ikilinganishwa na maadili halisi, ikionyesha makosa katika vitengo ambavyo havitegemei kiwango na vinaeleweka katika seti tofauti za data. Imeundwa rasmi na J. Scott Armstrong mnamo 1985, MAPE hutumiwa sana katika utabiri, mnyororo wa usambazaji, na uchanganuzi wa biashara ambapo matokeo lazima yawasilishwe kama usahihi wa asilimia.
Soma mbinu kamili
Ingia kwa akaunti ya bure ili kusoma sehemu hii.
Ramani ya mbinu
Jirani ya mbinu zinazohusiana — chagua nodi ili kuchunguza.
Vyanzo
- Armstrong, J. S. (1985). Long-range forecasting: from crystal ball to computer (2nd ed.). New York: John Wiley & Sons. ISBN: 978-0471082010
- Hyndman, R. J., & Koehler, A. B. (2006). Another look at measures of forecast accuracy. International Journal of Forecasting, 22(4), 679-688. DOI: 10.1016/j.ijforecast.2006.03.001 ↗
- Kim, S., & Kim, H. (2016). A new metric of absolute percentage error for intermittent demand forecasts. International Journal of Forecasting, 32(3), 669-679. DOI: 10.1016/j.ijforecast.2015.12.003 ↗
Jinsi ya kunukuu ukurasa huu
ScholarGate. (2026, June 3). Mean Absolute Percentage Error. ScholarGate. https://scholargate.app/sw/model-evaluation/mean-absolute-percentage-error
Mbinu ipi?
Weka mbinu hii kando ya jamaa zake wa karibu na uzisome bega kwa bega — maktaba huweka vitabu mezani; uamuzi ni wako.
- Kosa Kamili la Wastani (MAE)Tathmini ya Modeli↔ linganisha
- Kosa Kamili Lililopimwa kwa Wastani (MASE)Tathmini ya Modeli↔ linganisha
- Hitilafu ya Mizizi ya Mraba (RMSE)Tathmini ya Modeli↔ linganisha
- Symmetric MAPE (sMAPE)Tathmini ya Modeli↔ linganisha
Imerejelewa na
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