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You can create histograms from "scratch" or you can create them by copying settings from another chart, descriptive statistic view, or custom report. Copying settings allows you to view the same subset of data in different ways. See: Copy Settings.

You can save your chart settings. You can re-create charts using these saved settings, and you can change these settings to create new charts.

Histogram X-Axis and Y-Axis

Prerequisites

   Optionally, define specifications and specification elements with specification limits. See: Defining Specifications and Defining Specification Elements.

   To create histograms using copied settings:

1. Navigate to the Histograms window.

2. Choose the Copy Settings button. See: Copying Settings.

3. Enter missing information or change the copied information as required (See below).

You can change all copied settings except the collection plan.

   To create histograms:

1. Navigate to the Histograms window.

2. Enter the Chart Name.

To save your chart parameters, you must enter a chart name.

3. Select the Collection Plan.

If you are creating a chart, you can select any collection plan, even those that are no longer effective. If you are changing a chart, you cannot change the collection plan.

4. Enter the Chart Title.

The text you enter here is displayed at the top of the chart.

5. Enter the chart Description.

The text you enter here is displayed at the top of the chart, under the chart title.

6. Select the Collection Element.

You can select any collection element on the collection plan. However, you must select a collection plan element with a numeric data type.

7. Optionally, select or find the specification.

You can only select specifications that have specification elements in common with the selected collection plan element defined. See: Defining Specification Element

You can find and select any specification, even specifications that do not have the selected collection element as a specification element. If this is the case, Upper and Lower Specification Limits and the Target Value are defaulted from the collection element. See: Defining Collection Element Specification Limits.

8. Optionally, enter the Number of Bars for the graph.

If you do not enter a number, the number of bars is calculated as the square root of the number of points.

9. Optionally, enter the Number of Points.

The Number of Points represents the total number of data points to be included. If you do not enter a specific number of points, all points are used. If you do enter a specific number, the most recently collected results are used.

   To find and select quality results:

• Navigate to the Show Results Where region of the Control Chart window. See: Finding Quality Results.

If you do not select which quality results to chart, all results associated with the collection plan are used.

   To view charts:

• If you are using the Oracle Quality statistics engine, choose the View Chart button. If you are using the Statit statistics engine, choose the Statit button. See: QA:Statistics Engine.

   To save chart settings:

• Choose the Save Settings button if you want to save the inquiry settings.

   To export chart results:

• If you are using the Oracle Quality statistics engine, choose Export Results from the Special Menu. If you are using the Statit Statistics Engine, choose Export to Statit from the Special Menu. See: Exporting Quality Results.

See Also