STAT 540 - Fall 2020

Welcome to STAT 540, Introduction to Statistical Computing. This page contains updates to the course syllabus, computer notes from class, homework assignments and important notices. Send any questions to grego@stat.sc.edu

• 2020 Syllabus

• Uploading assignments in Blackboard

• Base SAS Certification app

• Notices

  Homework

  • Homework 1 with Undergraduate data set and Graduate data set

  • Homework 2

  • Homework 3 with Q1 data , Q2 data , Q3 Undergrad data , Q3 Grad data .

  • Homework 4 , Q1 data and Q2 data .

• Exercises
  • Class Exercise 1 and R markdown code

  • Class Exercise 2 , data set , and R markdown code

  • Class Exercise 3 , and R markdown code

  • Class Exercise 4 , R workspace and R markdown code

  • Class Exercise 5 , R workspace and R markdown code

  • Class Exercise 6: Studio version and SAS program

  • Class Exercise 7

  • Class Exercise 8

  • Class Exercise 9 and Excel worksheet

  • Class Exercise 10

• Slides/Notes
  • Introduction, R Chapters 1 and 2 (Introduction; Objects, Modes, Assignments)

  • R Chapters 3 through 6 (Getting Help; Managing Your Objects; Getting Data into R; Getting Results out of R)

  • R Chapters 7 through 8 (Arithmetic; Logical Objects and Conditional Execution)

  • R Chapters 9 through 10 (Subsetting, Sorting and so on...; Iteration)

  • R Chapter 11 (An Introduction to Graphics in R)

  • R Chapter 12 (An Introduction to Function Writing)

  • Monte Carlo simulation

  • tidyverse Intro

  • Scatterplot Smoothing (not currently used)

  • SAS Chapter 1 (Getting Started Using SAS Software)

  • SAS Chapter 2 (Getting Your Data into SAS)

  • SAS Chapter 3 (Working with Your Data)

  • SAS Chapter 4 (Sorting, Printing, and Summarizing Your Data)

  • SAS Chapter 6 (Modifying and Combining SAS Data Sets)

  • SAS Chapter 5 (Enhancing Your Output with ODS)

  • SAS Chapter 7 (Writing Flexible Code with the SAS Macro Facility)

  • SAS Chapters 5 and 7 supplement (PROC TEMPLATE, ODS Graphics and Macro application)

  • SAS Chapter 8 (ODS Graphics)

  • SAS Chapter 10 and Appendices (SQL)

• SAS code and notes
  • SAS documentation

  • Chapter 1 code
    • Weather station code for Chapter 1 notes and Exercise 6.

  • Chapter 2 code
    • Excel spreadsheet and SAS PROC IMPORT code for Chapter 2 import demonstration.

    • SAS code for saving a permanent SAS data set directly to a directory

    • SAS code for importing an Excel file two ways, including the XLSX option in LIBNAME

    • SAS code for importing a comma-delimited file

    • Exported comma-delimited file for July 15 state-level COVID-19 statistics

    • Exported comma-delimited file for cumulative daily COVID-19 confirmed cases

    • Excel version of July 15 state-level COVID-19 statistics

    • SAS code for holding an input line for a conditional execution of the rest of the input.

    • Additional SAS code for holding an input line for a conditional execution of the rest of the input.

    • SAS code with a variety of informats.

    • SAS code and input file for reading a long record. Additional input file for long record with line breaks.

    • David Hitchcock's SAS code and text file for reading in a college football scores data set.

  • Chapter 3 code
    • SAS code to manipulate character data.

    • SAS code to demonstrate a simple IF statement, subsetting IF, and formatted PRINT.

    • SAS code with a complicated IF-ELSE example.

    • SAS code to demonstrate a subsetting IF.

    • SAS code to experiment with DATE functions.

    • David Hitchcock's SAS code demonstrating the use of the RETAIN statement using earthquake data.

    • SAS code using SET and OUTPUT to stack records in a SAS data set.

    • SAS code with an ARRAY example.

    • SAS code to refer to a range of "unlike" input variables.

    • SAS code demonstrating variable order for a simple data set.

  • Chapter 4 code
    • SAS code to demonstrate Chapter 4 commands (TITLE, WHERE, LABEL, PROC PRINT)

    • SAS code and SAS data set for a PROC SORT example.

    • SAS code and comma-delimited text file demonstrating the use of the NODUPKEY option in PROC SORT.

    • SAS code to demonstrate PROC MEANS and OUTPUT statement using Southeast COVID SAS data set

    • SAS code with a PROC SORT example that cleans up a PROC MEANS output file in preparation for a many-to-one merge.

    • SAS code to demonstrate sorting options with character variables.

    • SAS code to hold a data line and print formatted labels in PROC FREQ.

    • SAS code to group data with PROC FORMAT prior to a call to PROC FREQ.

    • Simplified version of Don Edwards' SAS code and data set for straightforward PROC TABULATE call to motivate interest in PROC TABULATE projects.

  • Chapter 6 code
    • SAS code for some simple set and merge commands.

    • SAS code for a typical match-merge.

    • SAS code for a match-merge with multiple input data sets.

    • SAS code for a one-to-many match-merge.

    • STAT 706 example SAS code and Excel data for several one-to-many match-merges. The Excel file may be read into WORK as SAS data set SPLITCOV.

    • SAS code demonstrating the IN= option in MERGE statements.

    • SAS code and SAS data set to generate multiple data sets with the OUTPUT statement.

    • PROC TRANSPOSE SAS code using visual acuity data.

    • SAS code to re-create the transposed data with another PROC TRANSPOSE.

    • SAS code using Lidar data set to demonstrate use of FIRST.variable and LAST.variable when using BY groups.

  • Chapter 5 code
    • SAS code to create PDF documents by graphing Broad River data .

    • SAS code and data set demonstrating use of ODS HTML.

    • SAS code demonstrating use of ODS TRACE and ODS SELECT.

  • Chapter 7 code
    • SAS code for a couple demonstrations of the %LET command .

    • SAS code demonstrating the use of %INCLUDE.

    • SAS code demonstrating calculation of sampling probabilities from traffic intensity (upurban.csv) data.

    • SAS code demonstrating a regression macro.

    • SAS code demonstrating CALL SYMPUTX and a non-macro language alternative.

    • SAS code demonstrating CALL SYMPUTX and %IF statements. Trial data sets with one , two and four groups.

    • SAS code demonstrating CALL SYMPUTX to simplify the sampling probabilities macro.

    • SAS code and Excel spreadsheet to demonstrate templates and ODS Graphics.

    • SAS code to edit template definitions.

  • Chapter 8 code
    • SAS code and Excel worksheet to construct bar charts with PROC SGPLOT.

    • SAS code to construct histograms and box plots with PROC SGPLOT.

    • R code for density estimation demonstration.

    • SAS code and one of the data sets needed to construct scatter plots, time series plots, and smoothed scatter plots with PROC SGPLOT and PROC SGPANEL.

    • SC COVID comma-delimited data file to demonstrate SGPLOT

    • R code for scatterplot smoothing demonstration.

  • Chapter 10 and Supplemental SAS code
    • SAS code to export SAS data sets.

    • SAS code , SPSS portable format , SPSS data set , with Data View , Variable View , and Value dialog box screen captures.

    • SAS code for COVID data cleaning.

    • SAS code for basic SQL commands , SQL subsetting , SQL table joins , and SQL editing.

• R code and notes
  • Don Edward's R primer

  • A first R session

  • Quick-R primer

  • NY Singer data set for supplementary introductory demonstration

  • Monarch data set

  • Chapters 1-2 R code (Introduction; Objects, Modes, Assignments)

  • Chapters 3-6 R code (Getting Help; Managing Your Objects; Getting Data into R; Getting Results out of R)

  • Chapters 7-8 R code (Arithmetic; Logical Objects and Conditional Execution)

  • Chapters 9-10 R code (Subsetting, Sorting and so on...; Iteration)

  • Chapters 11-12 R code (Graphics; An Introduction to Function Writing)

  • Don Edward's Two Sample Test code without function name and with function name

  • Gamblers Ruin R code

  • Hit or Miss Integration R code

  • R code to compare Hit or Miss MC to Classic MC

  • Monte Carlo Simulation R code

  • tidyverse R code

  • Scatterplot Smoothing R code (not currently used)

• Data sets and other code
  • RMarkdown document for downloading Johns Hopkins COVID-19 data and inputting to R

  • R data set for cumulative daily SC COVID-19 deaths

  • R data set for July 15 state-level COVID-19 statistics

  • Brain to Body ratio data set, tab-delimited

  • Brain to Body ratio data set, comma-delimited

  • Brain to Body ratio data set with row names, tab-delimited

  • Brain to Body ratio data set with no column names, tab-delimited

  • Fixed width data set

  • scan() demo data set

  • Longleaf pine growth rings

• Test 1
  • Take Home 1 2007 ; Problem 1 graph

  • Take Home 1 2009 ; Problem 4 graph

  • In-class Test 1 2011

  • In-class Test 1 2013

  • In-class Test 1 2017

• Test 2
  • Take Home 2 2007 ; Problem 1 data set ; Problem 2 data set .

  • Take Home 2 2009 ; Problem 1 data set ; Problem 2 data set .

  • In-class Test 2 2011

  • In-class Test 2 2013

  • In-class Test 2 2017

• Final Exam
  • Final Exam 2007 ; Problem 1, Week 1 ; Problem 1, Week 2 ; Problem 1, Week 3 ; Problem 1 File list ; Problem 3 data set ; Problem 4 data set .

  • Final Exam 2009 ; Excel workbook with all problem sets.

  • Final Exam 2011 ; Excel workbook with all problem sets; Plot 1 and Plot 2 for Q2.

  • Final Exam 2013 ; Excel workbook with all problem sets; Plot 1 and Plot 2 for Q2.

  • Final Exam 2017 ; Excel workbook with all problem sets; Plot 1 , Plot 2 and Plot 3 for Q2.

  • Final Exam 2020 ; Excel workbook with all problem sets; Plot 1 and Plot 2 for Q3.

• Project information
  • Project Guide

  • Some project ideas

  • Modification of John Spurrier's Oral Report Guidelines

  • An Alternative Set of Oral Report Guidelines

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