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- W2892212178 abstract "Missing values are largely inevitable in gene expression microarray studies. Data sets often have significant omissions due to individuals dropping out of experiments, errors in data collection, image corruptions, and so on. Missing data could potentially undermine the validity of research results - leading to inaccurate predictive models and misleading conclusions. Imputation - a relatively flexible, general purpose approach towards dealing with missing data - is now available in massive numbers, making it possible to handle missing data. While these estimation methods are becoming increasingly more effective in resolving the discrepancies between true and estimated values, its effect on clustering outcomes is largely disregarded. This study seeks to reveal the vast differences in agglomerative hierarchal clustering outcomes estimation methods can construct in comparison to the precision exhibited (presented through the cophenetic correlation coefficient) in comparison to their high efficiency and effectivity in value preservation of true and imputed values (presented through the root-mean-squared error). We argue against the traditional approach towards the development of imputation methods and instead, advocate towards methods that reproduce a data set's original, natural cluster. By using a number of advanced imputation methods, we reveal extensive differences between original and reconstructed clusters that could significantly transform the interpretations of the data as a whole." @default.
- W2892212178 created "2018-09-27" @default.
- W2892212178 creator A5029333602 @default.
- W2892212178 date "2018-09-16" @default.
- W2892212178 modified "2023-09-27" @default.
- W2892212178 title "Missing Value Estimation Algorithms on Cluster and Representativeness Preservation of Gene Expression Microarray Data" @default.
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