Sentence examples for variance options from inspiring English sources

Equation 7 shows the "Two-Sample Assuming Equal Variance" and equation 8 shows the "Two-Sample Assuming Unequal Variance" options of the T-Test.

We used the constant variance option for the software.

The robust variance option (COVS) was used to produce accurate CIs [ 32, 33].

In order to obtain corrected CIs by Cox regression, the robust variance option was applied [ 7].

The robust variance option (COVS) was used in the cross-sectional analysis to produce adequate CIs [ 35, 36].

We carried out haplotype analyses based on this information, using the HBAT empirical variance option in the FBAT program, and the results are summarized in Table 6.

Since genotypes within pedigrees may be correlated solely due to the presence of linkage (cosegregation), we used the empirical variance option in order to adjust for this correlation.

We computed the test statistics using the empirical variance option of family-based association testing (FBAT) software, version 1.5.5 (available online at ) [ 21].

All 95% CIs and Chi square tests were adjusted for clustering of individuals within practices using svy, with the jackknife variance option.

Means were compared between groups by using a t-test with an unequal variance option if necessary, and percentages were compared by using the chi2 test or Fisher's exact test, as appropriate.

Few differences were identified among the CIs of RRs: CIs from the modified method were wider than those estimated by log-binomial and Cox regression with the robust variance option.