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    need help interpreting this Pearson R Correlation data

    Hi, I have a question and would welcome advice.

    I have conducted a pearson R stats test in SPSS and found that there is no relationship between the three trends that I am interested in.

    BUT the trends run over two conditions/periods. When I break the dataset up and run the test again looking at the 3 trends in each condition separately , I am finding strong associations (p.005 and <.001).

    This would seem to me to be saying that there is no association between the trends across the entire period, BUT there is a strong relationship between them when each period is considered separately. Does this make sense or am I misinterpreting the data?

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    Re: need help interpreting this Pearson R Correlation data

    I think some visualizations would greatly help convey what is going on! Do the directions change per period?
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    Re: need help interpreting this Pearson R Correlation data

    Hi - do you mean the SPSS outputs?

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    Re: need help interpreting this Pearson R Correlation data

    I was alluding to splitting your data into the two groups and then running two 3D scatter plots.
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    Re: need help interpreting this Pearson R Correlation data

    ah, ok: here they are.

    The dataset covers the years 1760 to 1822 and the three trends are:
    the cost of living (measured by the Schumpeter-Gilboy index)
    the number of property offenders sentenced to death
    the number executed

    I am interested to see whether there is a relationship between SG and the SoD. Here are the scatters:
    Attached Thumbnails Attached Thumbnails Click image for larger version

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    Last edited by returnofirv; 05-29-2017 at 09:50 AM.

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