Sentence examples for the working correlation from inspiring English sources

The working correlation matrix was set to exchangeable because symmetry was assumed.

The GEE approach estimates the working correlation from data containing both types of missing values using the all available pairs method, in which all non-missing pairs of data are used in the moment estimators of the working correlation matrix parameters.

The working correlation matrix was defined as exchangeable (compound symmetry), i.e. the two eye-measurements were supposed equally correlated and independent from the sequence.

For the working correlation matrix, several choices are possible.

The working correlation of the final GEE model was 0.030.

The working correlation matrix was specified as the exchangeable type.

Here, we chose the "exchangeable" working correlation because the focus was on the birth cohort effect and a reasonable and simple association model (12) was all we needed.

The "exchangeable" working correlation estimates the degree of coordination on the dependent variable (over and above the coordination between nurses resulting from the other modeled variables) between all pairs of nurses within a unit, with the same correlation being applied to all pairs of nurses within all units.

Analysis was performed with both the exchangeable and the unstructured working correlation structure.

When a different correlation structure produced the best fit, results of the analyses did not differ using the different working correlation structure.

The independence working correlation structure almost always produced the best fit.