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Performance of Some Correlation Coefficients When Applied to Zero-Clustered Data
2007
Journal of Modern Applied Statistical Methods
Preserved Fulltext
Zero-clustered data occur widely in medical research and are characterised by the presence of a group of observations of value zero in a distribution of otherwise continuous non-negative responses. A simulation study was conducted to investigate the properties of a number of correlation coefficients applied to samples of zero-clustered data.
doi:10.22237/jmasm/1193890560
fatcat:xhdzyfoanvfvja5xi6bejaeiam