Sentence examples for exposure imputation from inspiring English sources

Exposure imputation may be based on residential location(s) of participants in long-standing cardiorespiratory cohort studies, which can be matched to pollutant levels using geographic information systems.

We also examined the effect of the exposure imputation, which was performed to include participants residing outside of the LUR surfaces.

The drug exposure duration imputation required for the CDM also compared favourably with the use case.

Without accounting for out-of-area exposure through imputation, i.e., by adding the Zimp contribution, false differences in dose calculations can arise, should cases and controls, because of unmeasured covariates, have a different distribution of arrival times.

Use of surrogates as imperfect measures of environmental exposures or imputation strategies to circumvent incomplete data issues is not studied in this paper.

Impute: impute: Imputation for microarray data.

Monthly PM exposure was multiply imputed (40 imputations) for each month and each location represented in the residential history data using the nationwide exposure surface created from the space time model.

We used other chemical exposures for the imputation process.

We did not replace missing values in exposures variables by imputation.

Missing exposure data were imputed with a multiple imputation algorithm (SAS MI procedure, version 9.2; SAS Institute Inc., Cary, NC) based on the exposure data for all eligible persons (n = 2,222), creating 18 replicate imputed data sets.

We imputed missing values for all baseline and interim exposure variables using multiple imputation (N = 5).