Similar to the Scatter Chart, a Trend Chart plots data points to detect trends. Control limits and the mean are calculated from the linear regression line. Knowing the trend of a process can help to predict when the process may run outside gate limits or specifications.
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See Chart Settings options for information on changing the display elements of this chart.
You can use a simple technique called "data brushing" to select any number of consecutive data points on a chart. Then, select from options that allow you to focus on just that data or to exclude it from the retrieval.
Click anywhere on a data point to display its value as shown in Fig. 1.
Click on any limit line to display the value for that limit as shown in Fig. 2.
Fig. 1
Fig. 2
Depending on how your GainSeeker is configured, certain access rights may be required to use this function.
For information on editing data, data notes, and more, see: