I have a group of combined variables to assess a technique for get the optimum prediction for breast volume before surgery?
The independent variables comprises - number of markers, degree of photo taking in photogremmetry and offset used in the software
The outcome variables - actual breast volume (gold standard) and estimated breast volume (using photogremmetry caption of photo for software utilization to estimate the breast volume)
How to run analysis in SPSS to obtain the best optimal combination of( markers,degree and offset) for different class of ptosis?