Unit 5 DB - Regression Analysis Essay Example | Topics and Well Written Essays - 250 words

Unit 5 DB - Regression Analysis - Essay Example Linear regression is the type of regression which identifies the relationship of two significant variables (dependent and independent) (Seber & Lee, 2012). For example the analyst would try to relate the haziness of aircraft’s glass (dependent variable) with ice deposits (independent variable). Linear regression signifies the direct relationship between two such variables (Weisberg, 2005). The following equation represents the regression equation, where Y is the dependent variable which is dependent on X independent variables, a is the intercept while b denotes slope of the line X (Hoffmann, 2005). In the section of criminal justice, the analysts often use multiple analytical tools to make better judgments and decisions on the field. Regression is one tool which criminologists often apply to identify relationships between two adjacent variables like crime conviction or criminal’s behaviors. Analysts use regression coefficients to identify which strategy is more effective than the other on crime control section. According to one report of Federal government, a number of researchers came out from University of Nebraska in the year 1990, who utilized regression analysis tool to assess the influence of investment on crime rates. The analysis identified the relationship between two variables by identification of correlations and linear equation, which are fundamentally deterministic by linear regression analysis tool. This came out to be a sufficient tool of correlation analysis which later on got applied in the criminal justice section. Still today several criminologists us e linear regression model to identify the relationship of two significant variables (Weisburd & Britt, 2007, p.