MATLAB: Selecting parameters from different models

data analysis and model selection

Hello everybody, I'm totally new to statistics and it is the point where I have to use statistical analysis for a work I'm currently struggling with. I run the regression analysis for 25 different data files (for same independent and dependent variables) to come up with equations for each data file. So I have 25 equations. Now I'm wondering, what could be the best analysis to select one equation for all of 25 data files? Thank you,

Best Answer

‘Each data file is the result of different experiment and yes different population.’
Then don’t combine them. One size does not fit all. Report them individually, and discuss the differences.
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