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Table 2 Recommended values used in the assessing of the QSAR model

From: In silico studies of some 2-anilinopyrimidine derivatives as anti-triple-negative breast cancer agents

CharacterNameValue
R2Coefficient of determination≥ 0.6
P(95%)Confidence interval at 95% confidence level< 0.05
Q2Squared cross-validation coefficient≥ 0.5
R2-Q2Difference between R2 and Q2< 0.3
Ntest setLeast number of test set≥ 5
R2extCoefficient of determination of external validation≥ 0.5