Options Dialog - Layout Tab

Select the Layout tab of the Multivariate Chart Options dialog box to access the options described here.

Element Name Description
Include project header line in titles Select this check box to include the project header in the title of the chart; you can specify a title in Project header box above this option. This header will be used to label the main graphs.
Note: the project header will not be saved, even when you request to save the specified Layout tab options as the default (by selecting the Set as default on OK check box). This ensures that all new project files will not have the same project header.

Plot subset of samples in control charts.

From: To: Select the subset of cases or samples to plot; note that the numbers selected in the From and To boxes refer to the consecutive numbers of the samples, not to the actual codes (or dates) that were used in the grouping variable to identify to which sample each observation belongs.
Plot last N samples only Use this option to plot the last n samples only. It is particularly useful when you auto-update the chart by adding new samples (e.g., via some external data collection device, or with STATISTICA Enterprise). By selecting this option button, you can display a constant number of samples that will always include the newest (added) sample, and the N-1 preceding samples.
Add space in chart for N extra samples This check box will affect the horizontal x-axis scaling of the chart to make room for additional samples. This is particularly useful if you want to print a chart with room for additional samples to be added later by hand. Use the microscrolls or type the number into the box.
Show breaks between non-consecutive samples This check box enables you to show breaks in the line denoting the successive samples. For example, suppose you were unable to collect sample 6 due to machine error. There is a break in consecutive samples at sample number 5 (sample 6 is missing). If you set the Show breaks... option, then the X-bar & R (S) charts will show a break in the line at sample 5; i.e., the points denoting samples 5 and 7 will not be connected by a line.
Include time-stamp in charts This check box enables you to include the time-stamp from the most recent chart update in the title of the graph. Note this time is not taken from the data file but rather from the system, and it represents the last time the graph was updated (or created). To label the sample values with the time-stamp associated with each sample, use the Labeling of Samples and X-axis options available on the Labeling tab of the Options dialog.
Include date-stamp in charts This check box enables you to include the date-stamp from the most recent chart update in the title of the graph. Note this date is not taken from the data file but rather from the system, and it represents the last time the graph was updated (or created). To label the sample values with the date-stamp associated with each sample, use the Labeling of Samples and X-axis options available on the Labeling tab of the Options dialog.
Identify sets of samples (with separate specs) in the chart This check box enables you to label sets of samples in the chart. If separate specifications have been established for each set of samples (see the Sets tab on the respective results dialog), the specifications used for that set will be shown (plotted) in the chart. See also The Nature of Sets for details.
Highlight consecutive runs (and identify out-of-control samples) These options are only applicable to multiple-stream (group) charts. For these charts, when a large number of consecutive samples or observations in a particular chart (e.g., X-bar) is associated with the same stream (e.g., the same data stream produces a large number of consecutive extreme sample means), the process (respective data stream) is like not in control.
Run length Use the Run length field to specify the run length (consecutive number of plot points from the same stream) that you want to highlight in the chart, and consider a runs violation. If you use the microscroll controls next to the Run length edit field, the Average run length (ARL) and 1/ARL fields will automatically update, to provide an estimate of the false-error rate (alpha probability) for an in-control process associated with the chosen Run length.