1. S

    Sample size for equivalency testing with multiple 'samples' per patient

    Hello everyone, I have a question regarding sample size calculation for my research study and was not able to find an answer elsewhere. The study compares two imaging methods and should prove that one method is equivalent to the other method in terms of geometric measurements. The question...
  2. J

    Comparing Correlation Coefficients

    I currently work in the field of imaging. My question is in regards to comparing correlation coefficients. I have two image sets (which have an attached correlation coefficient) one has n1 number of image slices and the other has n2 number of image slices where n1 is not equal to n2. I...