Topic 9: A – Basic Scatterplots

Video (2:38)

The following video illustrates exploratory data analysis in Case QQ where we wish to investigate the relationship between two quantitative variables using a scatterplot. Here we will use CHART BUIILDER to accomplish this task. The following files are associated with this video.

• All Available Transcripts – SPSS Tutorials

• DATASET USED:
  • PULSE_STEP3.SAV

• SPSS OUTPUT CREATED:
  • Topic9ABasicScatterplots.SPV
• Menus and Steps Used:
  • Double-click on the SPSS dataset (STEP3) to open SPSS with that data loaded
  • For Scatterplots – Go to GRAPHS – CHART BUILDER
    • Select Scatter/Dot from the lower left menu
    • Double-Click or drag the FIRST chart into the graph preview area (reset the tool if needed)
    • Drag a quantitative variable onto the y-axis (response variable)
    • Drag a quantitative variable onto the x-axis (explanatory variable)
    • Click OK
    • Double-click on the graph to edit.
    • Choose “Add Fit Line at Total” from the ELEMENTS menu or the toolbar icon which looks like one line.
    • Add Linear and/or LOESS lines using this tool – click APPLY to save any changes before closing
    • Close the editor when finished
  • Save SPSS output by going to the output and File – Save or by closing SPSS and following the prompts

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This document is linked from our main SPSS page under Software.