The improvement of the estimation accuracy by integrating soft data in BME method is more significant as the amount of missing data is greater, such as the case of PM10.
Trees for the zinc finger exons were performed similarly those mentioned previously except that only position with missing data in greater than 50% of the sequences were eliminated from the analysis.
Before multiple imputation of missing data, a greater proportion of people were recorded as smokers in THIN than in the HSE (24% vs 21%, respectively), and the proportions of ex-smokers and non-smokers differed substantially between THIN and the HSE (table 1).
Some actors were not reached for interviews or network surveys; the missing data is of greater concern for the network analysis, where missing ties could result in an underestimate of actors' in-degree centrality.
The number of un-imputed missing data points was greater for Chinese Spring than that of W7984 assembly in 15 chromosomes.
However, problems of missing data may be greater when using retrospective case record data, a data quality problem potentially overcome by using prospective collection.
Providing this information helps the reader to assess the validity of the results since a larger proportion of missing data may introduce a greater bias in the analysis.
