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Operators

JudgeIt provides you with a number of operators that recode any variable in specified ways as your data are read in. These operators are added as prefixes to your variable names for the read data commands (YVOTE, YVOTE2, XVARS, XVARS2, and XNEW). For example, suppose you have a variable called vote88. You can recode all uncontested districts to missing values (thus deleting them from any analysis) by adding the prefix DEL! like this: DEL!vote88. An example of an entire command, then, would be XVARS DEL!vote88 var2 PTY!vote88 $<$ c:$\backslash$data$\backslash$cong88;. Operators are also used for some of the analysis commands, such as PROB, which also can read in a variable.

We describe each of the operators here, followed by details of the commands that read in data.