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Thread: Please suggest a statistical analysis method

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    Please suggest a statistical analysis method




    Hi,

    I did two group of tests. For each group, I obtained a series of (X,Y) data. So, now I did bar plot for each group.

    For the figure, I can see significant difference between the two group. However, I hope to use a statistical analysis to draw the conclusion.

    Since I have several (X,Y) data series for each group, I guess student-t test does not work. Can anyone suggest good method?

    My goal is, pool all group1 data together, and also pool all group 2 data together,then use a statistical method to analyze them and draw conclusion.

    Note, the attached plot just show a few data points. Indeed there are much more data points, and the number of points in each group are different.

    Thank you for your help.

    Regards,
    Derek
    Attached Images  
    Last edited by jingdejun; 06-02-2010 at 12:59 AM.

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    Hi,
    Thank you for your reply.

    Indeed, there is a exponential function that fit the X~Y data. That function has two parameters A and B. I can used student-t test to calculate the P-values for A and B. However, I hope to avoid analysis on parameters A and B.

    From the error plot, it is obvious that the control group has higher Cauchy stress level than the pregnant group. I am just wondering whether there is a method to quantify this overall difference. Thanks.

    Sincerely,
    Derek

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