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    4. STA621 - Time Series Analysis
    • STA621 Assignment 1 Solution and Discussion

      cyberian

      Re: STA621 Assignment 1 Solution and Discussion

      STA621 - Time Series Analysis
    • STA621 Assignment 1 Solution and Discussion

      zareen

      Assignment No.1 (Course STA 621)
      Fall 2019 (Total Marks 20)

      Deadline
      Your Assignment must be uploaded/ submitted before or on
      17th November, 2019, Time 23:59
      (STUDENTS ARE STRICTLY DIRECTED TO SUBMIT THEIR ASSIGNMENT BEFORE OR BY DUE DATE. NO ASSIGNMNENT AFTER DUE DATE WILL BE ACCEPTED VIA E.MAIL).
      Rules for Marking
      It should be clear that your Assignment will not get any credit IF:
      • The Assignment submitted, via email, after due date.
      • The submitted Assignment is not found as MS Word document file.
      • There will be unnecessary, extra or irrelevant material.
      • The Statistical notations/symbols are not well-written i.e., without using MathType software.
      • The Assignment will be copied from handouts, internet or from any other student’s file. Copied material (from handouts, any book or by any website) will be awarded ZERO MARKS. It is PLAGIARISM and an Academic Crime.
      • The medium of the course is English. Assignment in Urdu or Roman languages will not be accepted.
      • Assignment means Comprehensive yet precise accurate details about the given topic quoting different sources (books/articles/websites etc.). Do not rely only on handouts. You can take data/information from different authentic sources (like books, magazines, website etc.) BUT express/organize all the collected material in YOUR OWN WORDS. Only then you will get good marks.

      Objective(s) of this Assignment:

      The assignment is being uploaded to build up the concepts of Time Series.

      Assignment # 1
      Question 1: Marks: 5 +5=10
      Part a
      Why we calculate
      i. Mean Percentage Error
      ii. Mean Absolute Percentage Error

      Part b
      The following table shows the production of silver utensils (in thousands) at a certain factory in Islamabad.

      Year 1970 1971 1972 1973 1974 1975 1976 1977 Utensils(000) 170.0 154.87 156.5 158.9 140.3 154.2 160.7 178.3

      Calculate 3 year and 5 year single moving averages for the above time series data.

      Question 2: Marks: 2x5 =10
      The customer price index for medical care (medical cost) are given in the following table for the years 1980 to 1987.

      Year t Production Xi Forecasted Fi 1980 106.0 107.09 1981 111.1 111.47 1982 117.2 115.85 1983 121.3 120.23 1984 125.2 124.61 1985 128.0 128.99 1986 132.6 133.37 1987 138.0 137.75 Total 979.4 979.36

      Calculate

      Mean error Mean Absolute Error Sum of Squared Error Mean squared error Standard Deviation of Error
      STA621 - Time Series Analysis
    • STA621 Assignment 2 Solution and Discussion

      zareen

      Assignment No.2 (Course STA 621)
      Fall 2019 (Total Marks 20)

      Deadline
      Your Assignment must be uploaded/ submitted before or on
      19th January, 2019, Time 23:59
      (STUDENTS ARE STRICTLY DIRECTED TO SUBMIT THEIR ASSIGNMENT BEFORE OR BY DUE DATE. NO ASSIGNMNENT AFTER DUE DATE WILL BE ACCEPTED VIA E.MAIL).
      Rules for Marking
      It should be clear that your Assignment will not get any credit IF:
      • The Assignment submitted, via email, after due date.
      • The submitted Assignment is not found as MS Word document file.
      • There will be unnecessary, extra or irrelevant material.
      • The Statistical notations/symbols are not well-written i.e., without using MathType software.
      • The Assignment will be copied from handouts, internet or from any other student’s file. Copied material (from handouts, any book or by any website) will be awarded ZERO MARKS. It is PLAGIARISM and an Academic Crime.
      • The medium of the course is English. Assignment in Urdu or Roman languages will not be accepted.
      • Assignment means Comprehensive yet precise accurate details about the given topic quoting different sources (books/articles/websites etc.). Do not rely only on handouts. You can take data/information from different authentic sources (like books, magazines, website etc.) BUT express/organize all the collected material in YOUR OWN WORDS. Only then you will get good marks.

      Objective(s) of this Assignment:

      The assignment is being uploaded to build up the concepts of moving averages.

      Assignment # 2
      Question 1: Marks: 2 +8=10

      Part a):
      Describe Unit Root Test.

      Part b):

      Here is a MA(1) model.

      Find its Mean and Variance.

      Question 2: Marks: =10
      Check the invertibility of following MA process.

      STA621 - Time Series Analysis
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    • cyberian

      STA621 Assignment 1 Solution and Discussion
      solution discussion assignment 1 spring 2020 sta621 • • cyberian

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    • zareen

      STA621 Assignment 1 Solution and Discussion
      solution discussion fall 2019 assignment 1 sta621 • • zareen

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    • zareen

      STA621 Assignment 2 Solution and Discussion
      solution discussion fall 2019 assignment 2 sta621 • • zareen

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