what to test if transformed data is unstable what is the variable unstable in power transform data why is the variance unstable for transformed data what to check for when data is stable what to do when data is unstable what is the variable for unstable variance when transform why is variance unstable in a transformed data what is the variance of the transform in bartlett test which of the following is a stable variable in bartlett test what to expect when a transformed data is unstable what to do if data is unstable what to do when data still has an unstable variance can we test if transformed data is unstable what to do for unstable variance what to do if transformed data still has unstable variance why is my transformed data unstable? what to do if data is still unstable what to do for an unstable variance when a transformed data is not stable what is done why is the variance constant in box-cox