Assignment_3

Assignment_3 - UNSW SCHOOL OF MATHEMATICS MATH2871 DATA...

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UNSW SCHOOL OF MATHEMATICS MATH2871 DATA MANAGEMENT FOR STATISTICAL ANALYSIS ASSIGNMENT 3 TOTAL MARKS 20 (15% of final grade) Due: 4pm, Friday, 22 October, 2010 Please hand-in your assignment with the assignment coversheet. The assignment coversheet can be found outside of the school office, or downloaded from MATH2871 in Blackboard. Include the subject code (MATH2871), your name, student ID, lab session and signature at the bottom of the page. You should provide a printout of the listings required. For all questions, the SAS program code should be provided. Answer 5 questions. Relevant data sets are available in the Assessment 3 folder in Blackboard. 1. [4 marks] The raw data file, marks.txt contains the records with the student’s first and last name, ID and the marks for each of the 2 assignments. In the raw data, a1 and a2 indicate the assignment 1 and 2 respectively, and there are four questions for each assignment. Note that each line has a record type identifier ( a or id ) and some students only submitted one assignment. Create a data set, marks1 , that contains one record for each student. Each record should contain ID, name, assignment 1 mark, assignment 2 mark, and total mark (which should be the sum of the assignment 1 and 2 marks). Using PROC PRINT, display all observations of the SAS dataset,
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Assignment_3 - UNSW SCHOOL OF MATHEMATICS MATH2871 DATA...

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