Introduction to SPSS IST Research Computing Services ithelpbu

Introduction to SPSS IS&T Research Computing Services ithelp@bu. edu Tutorial Evaluation : http: //rcs. bu. edu/eval

Information Services & Technology 9/4/2021 Tutorial Logistics § Please stay muted (SPACE bar to temporary unmute) § Set Zoom to Speaker View and Side-By-Side mode § Hide Non-video participants § Submit questions in Chat, will answer during Q&A § Presenter is Jack Chan (jack@bu. edu) § Host is Aaron Fuegi (aarondf@bu. edu) § Tutorial divided into sections separated by Q&A § Tutorial session is running on SPSS for Windows § Each section is a set of steps build on earlier section § Tutorial Evaluation : http: //rcs. bu. edu/eval hhttp: //rcs. bu. edu/eval

Information Services & Technology Outline § § § § SPSS For Desktop Availability Data View vs Variable View Define Variables Input Data in Data View Analysis Exercises Import and Export Data using Excel Syntax files : create, edit, run Reference Resources 9/4/2021

Information Services & Technology 9/4/2021 SPSS For Desktop Availability § Versions : 26 (BU Common @Mugar) : 26 (site license distribution) § Current release is SPSS 27 § SPSS 16+ supports both Macintosh and Windows § Unknown with Macintosh moving to ARM architecture § Site license for BU students, faculty and staff § Standard distribution covers Base, Advanced Statistics and Regression § Limited number of additional modules licenses are available for research purpose § Information and Documentation are available http: //www. bu. edu/tech/desktop/site-licensedsoftware/statistics/spss/

Information Services & Technology Data View vs. Variable View § Data View - What the actual/physical data looks like - Modify observation variables values - Check for irregularity § Variable View - Create/Modify variable - Check for variable definition - Variables labels - Value labels 9/4/2021

Information Services & Technology Define Variables in Variable View 9/4/2021

Information Services & Technology Define Variables in Variable View (continued) § Variable : id - Change Label to subject ID § Variable : gender - Create value labels under Values - Classify male/female with corresponding values § Variable : age - No additional label needed § Variable : score - Change Label to exam score § Variable : q 4 - Change Label to cafeteria opinion - Create value labels under Values - Classify answers with corresponding values § Variable : q 5 - Change Label to BU opinion - Copy and paste value labels from q 4 9/4/2021

Information Services & Technology 9/4/2021 Input Data In Data View § Input variables values based on questionnaire - id : Positive numbers start with 1 - gender : 1 for female, 2 for male - age : Positive numbers more than 18, less than 99 - score : Positive numbers less than or equal to 100 - q 4 : Whole numbers between 1 to 5 - q 5 : Whole numbers between 1 to 5 § § Input for at least 6 observations Save a copy of this new dataset Save it under lab 1. sav on Desktop SPSS dataset has. sav extension

Information Services & Technology Analysis Exercises (Frequencies) 9/4/2021

Information Services & Technology Analysis Exercises (Correlations) 9/4/2021

Information Services & Technology 9/4/2021 Analysis Exercises (Independent-Samples T Test)

Information Services & Technology Analysis Exercises (Paired-Samples T Test) 9/4/2021

Information Services & Technology Analysis Exercises (Simple Bar Chart) 9/4/2021

Information Services & Technology 9/4/2021 Analysis Exercises (Two Variables Scatter/Dot Chart)

Information Services & Technology 9/4/2021 Analysis Exercises (Continued) § § § Save a copy of the Output window Save it under output 1. spv SPSS output file has. spv extension In Output window left pane, compress analysis output What is left is all the syntax we have execute so far Go File->New->Syntax window opens, copy and paste some previous executed syntax from output to syntax window Save a copy of the Syntax window Save it under syntax 1. sps SPSS syntax file has. sps extension SPSS output file also contains syntax Files saved so far, lab 1. sav, output 1. spv, syntax 1. sps

Information Services & Technology 9/4/2021 Import and Export Data using Excel § Save a copy of lab 1. sav in Excel format - File->Save As->Choose Excel 2007 through 2010 § Save it under toexcel. xlsx on Desktop § Open toexcel. xls § Modify id variable from single digit to double digits - from 1 to 11, 2 to 22, 3 to 33 etc. § Save the file under fromexcel. xlsx on Desktop § Files saved so far, lab 1. sav, output 1. spv, syntax 1. sps toexcel. xlsx and fromexcel. xlsx § Quit SPSS § Open SPSS then File -> Open->Data - Choose Desktop and Files of type Excel - Open fromexcel. xlsx - Choose default options

Information Services & Technology 9/4/2021 Import and Export Data using Excel (continued) § § § § § Under Data View, data looks fine Under Variable View, all variables definitions lost Keep this Excel imported file open Open original SPSS dataset (lab 1. sav) On the lab 1. sav window - Choose Data->Merge Files->Add Cases - Choose open dataset (previous imported Excel file) - Continue with default options Resulting merged file will have variables definitions Always merge file without definitions into the one with Create a template empty dataset to merge in external files Open syntax 1. sps syntax file and run through all syntax

Information Services & Technology 9/4/2021 Reference Resources § Help -> “About” - For current version § Help -> “Command Syntax Reference” § Online support and documentation link: http: //www. bu. edu/tech/services/cccs/desktop/distributi on/statistics/spss/ § Mathematics Department Tutors Hours - Graduate students with statistics background § Tutorial Evaluation : http: //rcs. bu. edu/eval