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Assignment #3 Solution

Problem 1

 

Follow the example in Lecture 5 R code to analyze the pair trading strategy for several pairs taken from the following list: PEP, KO, DPS for a period of at least 10 years. You may download stock data from WRDS (you can register and create an account as Stevens student at https://wrds-web.wharton.upenn.edu/wrds/ ) or other free data sources such that Yahoo. Include transaction costs of 0.1% (or 10 basis points) for each transaction. Discuss the results.

 

 

 

Problem 2

 

Use the data set Default.csv which has 7,000 observations on the following 4 variables:

 

 

•     default - A factor with levels No and Yes indicating whether the customer defaulted on their debt

•   student -  A factor with levels No and Yes indicating whether the customer is a student

•     balance -  The average balance that the customer has remaining on their credit card after making their monthly payment

•   income -  Income of customer

 

 

Apply logistic regression, linear discriminant analysis, quadratic discriminant analysis and K- nearest neighbor classification methods to predict customers that are likely to default in DefaultPredict.csv dataset. Please use several values of K in the KNN classification method such

that you can minimize the errors. Compare the errors for all the methods and draw conclusions.

 

 

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