Power analysis for repeated measures
I would like to run a study to estimate the change over time of my samples. The change is expected to be linear.I have estimated a measurement error standard deviation of 2.5, and the final goal is determine if the change over a year is below 5.I have tried to use the power explorer for one sample mean, where I have used 2.5 as standard deviation, and difference to detect 1.25 (my thinking is that...