Sentence examples for validation of the imputed from inspiring English sources
We have defined a series of statistics [ 18] in order to perform a complete validation of the imputed data, and we have further grouped these statistics according to different criteria that can be achieved from a statistically neutral point of view: A. Preservation of global marginal statistics 1.
These statistics provide a very complete validation set of the imputed data, which assures the coherence of the imputed values regarding the collected data from donors.
Cross-validation was performed on each of the imputed datasets to measure the predictive performance of the model using the area under the receiver operating curve (AUC).
Four of the imputed SNPs were genotyped for validation, the average squared difference between the count of the same allele in the imputed and genotyped version of these SNPs was computed to measure the concordance of the imputed genotype with actual genotype, a smaller difference indicating greater concordance.
These posteriors are calculated by renormalizing the likelihoods of the imputed clean spectra.
In this section, we focus on our analysis of the imputed datasets.
In addition, despite the loss of power in the not imputed data, the interpretation of the imputed and not imputed data was similar.
Multiple imputation was used to impute missing data (costs and EQ5D) (The Additional file 1: web appendix gives details of validation for the imputation procedures).
Model validity across different iterations was evaluated using cross validation, randomly omitting 10% of the raw data and comparing the imputed intakes with the original raw data.
Genotypes for animals of the validation population were imputed based on an increasing number of highly informative reference animals with high-density genotypes.
One disadvantage of a multi-stage approach — for example, first fitting splines to the data for sampled profiles, then imputing new data for the target interval, before considering a spatial analysis with the imputed data — is that the imputation generally ignores any uncertainty in the imputed data, which might give misleading conclusions.
