Sentence examples for using the jackknife variance from inspiring English sources

The proportion of patients with a physician-assessed FN risk above the investigator's intervention threshold and who received an order for G-CSF was represented as a standard proportion and a Wald confidence interval using the jackknife variance estimator.

Sampling variance was calculated using the jackknife procedure, appropriate for the complex, multistage sample design (21), and 95% confidence limits were calculated by taking the natural logarithm of the mean difference, estimating the standard error of the transformed estimate, deriving confidence limits, and back-transforming the confidence limits via exponentiation.

The estimated variance of fluidity was calculated using the jackknife estimate [ 26], which is based on leave-one-out statistics (see Methods for more details).

As before, we combine study-specific differences in the C index or D measure,, with variances : (4) (5) where for the C index difference is directly estimable using the jackknife procedure (27) and for the D measure the difference is obtained using nonparametric bootstrapping.

Quite promising predictions are obtained using the jackknife test and compared with other predictive methods.

Heltshe, J. F. & Forrester, N. E. Estimating species richness using the jackknife procedure.

Given low occurrence data samples, we tested model predictions using the jackknife manipulation proposed by Pearson et al. [71], the only robust test for evaluating models based on small samples: N−1 points are used to develop N jackknifed models.

Means and standard errors were estimated using the jackknife procedure.

Confidence intervals were derived using the jackknife method.

The estimate of the precision of the SRM calculated was performed using the Jackknife technique; 95% CI Jackknife SRMs are given in Table 6.

Areas under the ROC curves were compared using the jackknife method proposed by DeLong et al. [ 36].