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Search results with tag "Many variables"
The Comparative Method - Political Science
polisci.berkeley.edua) are matched on many variables that are nor central to the study, thus in effect .controlling' for variables; and b) differ in terms of the key variables that are the focus of analysis, thereby allowing a more adequate assesstnent of their influence. Hence, the selection Of Cases acts as a partial substitute for statistical or control.
Classification and regression trees
pages.stat.wisc.eduselection bias affects the integrity of inferences drawn ... into more than two child nodes. Second, owing to the sequential nature of the tests and the inexactness of ... are many variables with little or no predictive power: their introduction can substantially reduce the size of