Upimaji wa Ubora wa Kufaa
Upimaji wa ubora wa kufaa (GOF) ni mfumo wa kutathmini kama data zilizozingatiwa zinapatana na usambazaji wa uwezekano au mfumo uliodhanishwa. Kwa kuanzia na jaribio la chi-square la Karl Pearson (1900), vipimo vya GOF vinatoa kiasi cha tofauti kati ya data na utabiri wa mfumo, na kutoa maadili ya p ili kuhukumu kama upotofu uliyoonekana ni muhimu kwa kitabia au kutokana na bahati nasibu.
Soma mbinu kamili
Ingia kwa akaunti ya bure ili kusoma sehemu hii.
Ramani ya mbinu
Jirani ya mbinu zinazohusiana — chagua nodi ili kuchunguza.
Vyanzo
- Pearson, K. (1900). On the criterion that a given system of deviations from the probable in the case of a correlated system of variables is such that it can be reasonably supposed to have arisen from random sampling. Philosophical Magazine, 50(302), 157-175. DOI: 10.1080/14786440009463897 ↗
- Cramér, H. (1928). On the composition of elementary errors. Skandinavisk Aktuarietidskrift, 11, 141-180. link ↗
- Kolmogorov, A. N. (1933). Sulla determinazione empirica di una legge di distribuzione. Giornale dell'Istituto Italiano degli Attuari, 4, 83-91. link ↗
Jinsi ya kunukuu ukurasa huu
ScholarGate. (2026, June 3). Goodness-of-Fit Testing Framework. ScholarGate. https://scholargate.app/sw/model-evaluation/goodness-of-fit
Mbinu ipi?
Weka mbinu hii kando ya jamaa zake wa karibu na uzisome bega kwa bega — maktaba huweka vitabu mezani; uamuzi ni wako.
- Kigezo cha Taarifa cha Akaike (AIC)Tathmini ya Modeli↔ linganisha
- Kigezo cha Taarifa cha Bayesian (BIC)Tathmini ya Modeli↔ linganisha
- Kosa la Wastani Lililopigwa Mraba (MSE)Tathmini ya Modeli↔ linganisha
- R-squared (R²)Tathmini ya Modeli↔ linganisha
Similar methods
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