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C532 Nov 14 2011 - C532 ANOVA Regression Modeling Y Cao Now...

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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
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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.
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