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Data Tab

Control Panels

Data Tab Control Panel

The design folio control panel allows you to control the settings for analyzing response data and evaluating an experiment design. It also displays the results of the analysis/evaluation. The panel is composed of the following pages:

Tip: There is a horizontal splitter bar directly above the icons at the bottom of the panel. If you drag it as far up as it will go, all of the pages of the panel will be accessed by large buttons. If you drag it all the way down, all of the pages will be accessed by small icons. Positions in between allow you to use some large buttons and some small icons. (See Control Panels.)

Main Page

The Main page of the control panel includes the following tools and areas.

Folio Tools

The folio tools are arranged on the left side of the control panel. Use these tools to configure your analysis and experiment with the analysis results. Depending on the type of design you are working with, the control panel may contain some or all of the following tools:

  Calculate analyzes the data for each response that is selected to be included in the analysis. To exclude a response from the analysis, clear the check box in its column header.

  Plot creates a plot based on the analysis. If you click this icon before the current data set has been analyzed, an analysis will be performed automatically.

  Select Terms opens a window that allows you to specify the terms (i.e., factors, factorial interactions, blocks and quadratic effects) to be considered for each response.

  View Analysis Summary opens a window that contains detailed information about current and past analysis results.

  Optimization adds an optimal solution plot to the Optimization folio that is linked to the design folio. If no linked Optimization folio exists, the software will create one.

  Overlaid Contour Plot adds an overlaid contour plot to the Optimization folio that is linked to the folio. If no linked Optimization folio exists, the software will create one.

  Select Transformation opens a window that allows you to select a transformation to apply to each response.

  Prediction opens a window that allows you to enter values for each factor and see predicted results for the selected response.

  Transfer to Simulation Worksheet transfers the factor settings to a new simulation worksheet.

  Visible Columns opens a window that allows you to choose which columns to hide/show in the Data tab.

  Transfer Data to Weibull++ is available only for reliability designs. It transfers the data from the design folio to a new standard folio in Weibull++. The factor settings are noted in a subset ID column in the new folio.

  Transfer Data to ALTA is available only for reliability designs. It transfers the data from the design folio to a new standard folio in ALTA. The factor settings are entered in stress columns; each factor is considered a separate stress.

Settings Area

The Main page of the control panel may also contain some or all of the following settings. Information and examples on how to use these settings for particular designs are available in the documentation for the various design types.

Now in Version 10, if you already have a reliable estimate for the selected distribution's shape parameter, you can fix the parameter at that value by choosing Data > Design > Set Shape Parameter.

Setting this parameter can reduce the uncertainty in your results, since the analysis will solve for fewer variables.

 

In this example:

To configure the settings used in the analysis, click the blue text. These settings are also accessible on the Analysis Settings page of the control panel. See the Design Folio Control Panel Analysis Settings Page section for a description of all available settings.

Note: If you are using a robust parameter design and the selected response is signal noise ratio, this area will also include a row to indicate which kind of signal noise ratio is being analyzed (i.e., nominal, smaller or larger).

Analysis Summary Area

The Analysis Summary area is shown when the current response data has been analyzed using the current settings. This area displays the terms that were found to be significant, as well as their associated regression coefficients. Click the View Analysis Summary icon in this area to view the details of the analysis results (including an ANOVA table).

Design Evaluation Area

The Design Evaluation area is used to help you determine the efficiency of the current design. In the picture shown next, the main effect that is the least likely to be detected by design has a 79.96% of being detected. Click the Detailed Results link in this area to view details of the evaluation results (including the probability of detection, or power, for individual effects and interactions).

Analysis Settings Page

The Analysis page of the design folio control panel includes additional settings that may be applicable for the current analysis. It may contain some or all of the following options (which can also be changed on the Main page of the control panel).

You can also analyze the selected response or open the Select Transformation window by clicking the icon to the left of the Response Settings area.

 

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