public static WindowOver<Double> regrAvgy(Expression<? extends Number> arg1, Expression<? extends Number> arg2) {
        return new WindowOver<Double>(Double.class, SQLOps.REGR_AVGY, arg1, arg2);
    }
REGR_AVGY evaluates the average of the dependent variable (arg1) of the regression line.

@param arg1 first arg
@param arg2 second arg
@return regr_avgy(arg1, arg2)
querydsl-sql/src/main/java/com/querydsl/sql/SQLExpressions.java