goodness of fit


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goodness of fit

[¦gu̇d·nəs əv ′fit]
(statistics)
The degree to which the observed frequencies of occurrence of events in an experiment correspond to the probabilities in a model of the experiment. Also known as best fit.

goodness of fit

the degree to which observations in a data set conform to an expected distribution predicted from a model. See also CHI SQUARE2 ).
References in periodicals archive ?
To choice the best algorithm, calculation of goodness of fit criteria were possibility via IBM SPSS 22 program.
However, the suitability of the present model in the study was in disagreement with the ARIMA (1,2,2) model found as the best forecasting model on the basis of goodness of fit criteria like AIC, MAE, ME, MAPE, and RMSE by Amin et al.
On the other hand, Gbangboche, Glele-kakai, Salifou, Albuquerque, and Leroy (2008) compared the goodness of fit of four non-linear growth models in West African Dwarf sheep and concluded that the Brody model provided the best fit.
Chi-square, SSE and SAE are other relative measures for comparing the goodness of fit performance of estimated distributions models.
The measurement model based on the extraction of four reliable factors from the exploratory factor analysis has been examined for its goodness of fit and further validation by confirmatory factor analysis.
Finally, the Parsimony Goodness of Fit Index (PGFI) allows for the comparison of models in terms of their parsimony, placing the four-factor model with indirect g and first-order four-factor model as the best, while the two-factor GAI model and the four-factor with direct g model were placed at a second level (see Table 2).
006), and goodness of fit index including RFI, NNFI (Non -Normed fit index), NFI (Normed Fit Index), AGFI (Adjusted Goodness of fit index), PNFI(parsimony Normed fit index) is more than 0.
Table 5: Goodness of fit criteria results for applied Gompertz and Logistic models
In the literature, various methods and criteria are proposed to establish the goodness of fit of a model depending on the type of model.
Cucej, "A new goodness of fit test for histograms regarding network traffic packet size process", in Proc.
The possible migration occupations are sorted by the goodness of fit and output graphically.