To preform a stability study analysis
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1    Choose Stat > Regression > Stability Study > Stability Study.

2    In Response, enter the column that contains the response data.

3    In Time, enter the column that indicates when each observation was recorded.

4    If your data are from multiple batches, enter the column that indicates the batch for each observation, in Batch.

5    Do one or both of the following:

·    In Lower spec, enter the lower specification limit for the response.

·    In Upper spec, enter the upper specification limit for the response.

6    If you like, use any dialog box options.

7    Click OK.