C532 Nov 14 2011

C532 - C532 ANOVA Regression Modeling Y Cao Now begin our graphs for the 3rd model but using the SPSS data set from the previous

Info iconThis preview shows pages 1–7. Sign up to view the full content.

View Full Document Right Arrow Icon
C532: ANOVA & Regression Modeling Nov 14, 2011 Y. Cao 26 Now begin our graphs for the 3rd model but using the SPSS data set from the previous tutorial . C530_clbp.sav , Why? Because the interaction term is not significant, so we won’t include it! Remember: it’s always helpful to look at a graph. We use a simple scatter plot. Define x and y axes properly (see the graph). GET FILE='J:\PROJECTS\DATA\Analysis\K30\C532_2010\C530_clbp.sav'. GRAPH
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
C532: ANOVA & Regression Modeling Nov 17, 2010 Y. Cao 27 /SCATTERPLOT(BIVAR)=ha1_rola WITH ha2_rola BY tx /MISSING=LISTWISE. We see that the 2 treatments perform almost the same good thing on the patients. We may say that the 2 lines are parallel.
Background image of page 2
C532: ANOVA & Regression Modeling Nov 17, 2010 Y. Cao 28 We can add a 45 degree line to it if we like. Go to Options > Reference Line from equation ….
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
C532: ANOVA & Regression Modeling Nov 17, 2010 Y. Cao 29
Background image of page 4
C532: ANOVA & Regression Modeling Nov 17, 2010 Y. Cao 30 The 45 degree red line indicates that if the data point lies above it then the RMQ score at week 3 > RMQ score at baseline, so the patient is getting worse after treatment; if the data point is below the line then it means the RMQ score at week 3 < RMQ score at baseline so the patient is getting better (for example the low back pain). Can you see this?
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
C532: ANOVA & Regression Modeling Nov 17, 2010 Y. Cao 31 If we want to have the 2 parallel lines on the graph, we can do it. Repeat the steps on page 28.
Background image of page 6
Image of page 7
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 01/03/2012 for the course C 532 taught by Professor Long during the Fall '11 term at Palmer Chiropractic.

Page1 / 21

C532 - C532 ANOVA Regression Modeling Y Cao Now begin our graphs for the 3rd model but using the SPSS data set from the previous

This preview shows document pages 1 - 7. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online