Fitting a variance function
Plot a precision profile to observe the performance over the entire measuring interval.
You must have already completed the task:
- Activate the analysis report worksheet.
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On the Analyse-it ribbon tab, in the MSA group, click Profile.
The analysis task pane Precision Profile panel opens.
- Select the Fit variance function check box.
- In the Model drop-down list, select the variance function.
- Optional: To estimate the limit of quantitation using functional sensitivity, select the Predict X given CV check box, and then in the edit box, type the CV as a percentage (for example 20%).
- Click Recalculate.