an interaction may arise when considering the relationship among three or more variables, and describes a situation in which the effect of one causal variable on an outcome depends on the state of a second causal variable
It has long been known that a jurisdiction's population density and crime rates are correlated. But the connection between crime rates and population size is less certain. Crime rate calculates crime on a per-capita basis in order to account for population size and allow for comparisons. the statistical link between population size and crime rate. Once created, he used information from the Uniform Crime Reports to undertake an analysis of crime rates in jurisdictions of varying sizes and in a range of population-based strata (UCR). The author explores the ramifications of his findings for database management, research and analysis, and comparing crime rates across jurisdictions.
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