IGNOU MST 15 SOLVED ASSIGNMENT
MST 15: Introduction to R Software
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| Title Name | IGNOU MST 15 SOLVED ASSIGNMENT |
|---|---|
| Type | Soft Copy (E-Assignment) .pdf |
| University | IGNOU |
| Degree | MASTER DEGREE PROGRAMMES |
| Course Code | MSCAST |
| Course Name | M.Sc. (Applied Statistics) |
| Subject Code | MST 15 |
| Subject Name | Introduction to R Software |
| Year | 2025 |
| Session | - |
| Language | English Medium |
| Assignment Code | MST 15/Assignment-1/2025 |
| Product Description | Assignment of MSCAST (M.Sc. (Applied Statistics)) 2025. Latest MST 015 2025 Solved Assignment Solutions |
| Last Date of IGNOU Assignment Submission | Last Date of Submission of IGNOU BEGC-131 (BAG) 2025-26 Assignment is for January 2026 Session: 30th September, 2026 (for December 2025 Term End Exam). Semester Wise January 2025 Session: 30th March, 2026 (for June 2026 Term End Exam). July 2025 Session: 30th September, 2025 (for December 2025 Term End Exam). |
| Format | Ready-to-Print PDF (.soft copy) |
📅 Important Submission Dates
- January 2025 Session: 31st October, 2025
- July 2025 Session: 30th April, 2025
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MST 015 (January 2025 - July 2025) - ENGLISH
TUTOR MARKED ASSIGNMENT
MST-015: INTRODUCTION TO R SOFTWARE
Course Code: MST-015
Assignment Code: MST-015/TMA/2025
Maximum Marks: 50
Note: All questions are compulsory. Answer in your own words.
1. Attempt the following:
(a) Write the output of the following statements:
(i) rep(x=c(T, F, T, F), times=c(2,1,2,3))
(ii) 5%/%3; diag (3)
(b) Differentiate between the use of the sep and collapse arguments of the paste() function.
(c) Write R commands to create a bar plot of the following data by using arguments of the used function for filling up the bars and to give labels to the axis:
5, 10, 8, 7, 8, 5, 8, 7, 5, 8, 9, 6, 8, 8, 8
(d) Check whether the given loop is finite or infinite. If infinite, do the necessary changes in the written loop to make it finite.
x<-0
repeat{
print(x^2)
x<-x+1
if(x<5) print(x) }2. The following data relates to the number of items produced per shift by two workers for a number of days.
| Worker A | 19 | 22 | 24 | 27 | 24 | 18 |
| Worker B | 26 | 37 | 40 | 35 | NA | NA |
(a) Write R command to create a list named LT with worker's data. Also, after creating the list, do the following tasks:
(i) Use a suitable loop function to compute the mean of number of items produced by each worker in a single line command.
(ii) Extract the worker A data from it by using two different approaches.
(b) Write R command to create a data frame named DF with worker's data and do the following tasks:
(i) Use suitable function to remove NA from the data and then create a scatter plot.
(ii) Write the known data obtained in step (i) to a.txt file named "WORK".
3. Write R commands to:
(a) Create a function to compute ranks (in case of tied ranks) of the given data.
(b) Create a date object named Ddata consisting of the following dates.
26Jan2023, 15Aug2023, 020ct2023, 05Sep2023
(c) Create an array of two dimension with following elements.
Also, extract the row shown in the rectangular box.
(d) Create the graph of the following function.
4.(a) Create following two matrices A and B with following elements.
Write R commands to do the following tasks:
(i) Multiply the two matrices.
(ii) Combine the two matrices row-wise.
(iii) Create a function that computes the following expression:
(b) Create a data frame named RData consisting of the following data:
Write R commands to:
(i) Compute the group wise means of x, y and z according to the groups defined by w column using apply family function.
(ii) Sort RData according the y column of it.
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IGNOU MSCAST Assignments Jan - July 2025 - IGNOU University has uploaded its current session Assignment of the MSCAST Programme for the session year 2025. Students of the MSCAST Programme can now download Assignment questions from this page. Candidates have to compulsory download those assignments to get a permit of attending the Term End Exam of the IGNOU MSCAST Programme.
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| Course Name | M.Sc. (Applied Statistics) |
| Course Code | MSCAST |
| Programm | Courses |
| Language | English |
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