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ơIncludes 1 missing value from each of the following categories: <110, 110-129, 130-159.
This method imputed an individual missing value from the data set using the rater mean, item mean, grand mean, and a random error term.
The imputation was performed separately for males and females by drawing one random number per missing value from the distribution of a specific item, estimated on the available data.
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MI involves specifying a parametric model for the missing data given the observed data and drawing missing values from the posterior predictive distribution M>1 times.
For the sake of model complexity and computing time, we exclude children case specific predictors, near zero-variance predictors and the predictors with more than 80% missing values from further analysis.
Pairwise deletion was used to remove specific missing values from the analysis.
Even though the missing values from the external jugular vein were high (32.5%), we have data from 11 subjects, which is sufficient according to our power calculation.
In the panel survey in 2012, CFPS supplemented this question, allowing us to draw the missing values from the new responses.
After removing the missing values, from an initial sample of 2000 randomly selected individuals between the age group of 18 64 years the final sample used for this study contains 1961 respondents.
There were no missing values from the dataset.
While most SNPs had fairly complete data, others had missing values from substantial (up to 28%) numbers of subjects.
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