For Analytic Solver, partition the data sets into 50% training, 30% validation, and 20% test and use 12345 as the default random seed When searching for the optimal value of k, search within possible k values from 1 to 10 . If the predictor variable values are in the character format, then treat the predictor variable as a categorical variable. Otherwise, treat the predictor variable as a numerical variable. The Chartered Financial Analyst (CFA) designation is the de facto professional certification for the financial industry, Employers encourage their prospective employees to complete the CFA exam. Daniella Campos, an HR manager at SolidRock imvestment, is reviewing 10 job applications. Given the low pass tate for CFA Level 1, Daniella wants to know whether or not the 10 prospective employees will be able to pass the CFA Level 1 exam. Historically, the pass rate is higher for those with work experience and a good GPA in college. With this insight, she complies the accompanying dota file with information on 63 current employees who took the CFA Levell exam last year, including the employee's success on the exam (1 for pass, 0 for fail), the employee's college GPA, and years of work experience