STAT311-HW0-Writeup

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School

University of Washington *

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Course

311

Subject

Statistics

Date

May 26, 2024

Type

pdf

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Uploaded by GrandFlag10766

4/3/24, 11:20 PM Writeup Assignment 0 file:///Users/sarajduan/Desktop/stat 311/STAT311-HW0-Writeup.html 1/3 Writeup Assignment 0 Author 2024-04-03 Please complete the following: Address any questions or code below. Compile the document into a PDF file. The PDF file must be multiple pages - if your file is a single page, try compiling to an HTML, opening in your browser, and printing the page to a PDF. Submit to Gradescope. Paginate individual questions correctly, selecting which pages each question pertains to, or your assignment will not be graded and will require resubmission. HW0 Programming Assignment For writeup assignments that build upon the programming assignments, you will need to execute some of the homework code within the RMarkdown file. Copy all of your code from Assignment 0 into the block below.

4/3/24, 11:20 PM Writeup Assignment 0 file:///Users/sarajduan/Desktop/stat 311/STAT311-HW0-Writeup.html 2/3 #Paste your entire HW0 Programming assignment code here # PART 1 # Create a vector of length 5 with values 1, 2, 3, 4, 7 # Call it "myVector" myVector <- c(1, 2, 3, 4, 7) # PART 2 # Create a string containing your name # Call it "myString" myString <- "Sara Duan" # PART 3 # Read the "Tips for troubleshooting autograded programming submissions" # post on EdStem and find the hidden value for HW0. # Call it "HW0P3" HW0P3 <- 724 # PART 4 # The following code will not run correctly; fix it # without changing the values or variable names. thisVariable <- pi^2 thisVector <- c(thisVariable, thisVariable) # PART 5 # Create a function that takes a single variable and # returns a vector of length 3 equal to the sum # of the rows of a 3x3 matrix or dataframe # Call it "myFunction" myFunction <- function (input){ if (is.matrix(input) || is.data.frame(input)) { row_sums <- rowSums(input) return (row_sums) } else { return (NA) } }

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