Mixture Design Tutorial (Part 1 â The Basics) - Statease.info

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We recommend another approach to laying out contours. Right click in the drawing orlabel area of the graph and choose Graph Preferences. Then choose Contours.Now select the Incremental option and fill in the Start at 35, Step at 10 and Levelsat 20. Also, under Format choose 0 to display whole numbers (no decimals). Yourscreen should now match that shown below.Contours dialog box: Incremental optionPress OK to get a good-looking contour plot – suitable for printing. This one wasproduced via Edit, Copy from Design-Expert and Edit, Paste into Microsoft Word. (Thetriangle may not come in looking equilateral, but if this is bothersome, it can be easilyremedied by dragging the right border and widening the picture.)Plot with incremental contours20 • Mixture Tutorial – Part 1 Design-Expert 7 User’s Guide
DX7-05A-Mix-P1.doc Rev. 3/14/06You can add new contours via a right mouse click. Find a vacant region on the plot, forexample – between the 35 and 45 contours, and check it out: Right-click and select Addcontour. Then drag the contour around (it will become highlighted) until it becomes40.Adding contoursTo get a more precise contour level and locate it accurately, you can right-click it andenter the desired value. Try this on the new contour labeled 40.Setting a contour valueThat fills a gap nicely!Move your mouse to a spot near the top of the graph, where the response hits theminimum. Click the right mouse button and Add flag. To get more digits displayed,right click for Graph Preferences and under Contours change Format to 0.00.Then press OK.Adding a flag (format re-set via Graph Preferences)It displays the value of the response at that point. Now do a right click of the mouse onthe flag and select Toggle size.Design-Expert 7 User’s Guide Mixture Tutorial – Part 1 • 21
Page 1 and 2: DX7-05A-Mix-P1.doc Rev. 3/14/06Mixt
Page 4 and 5: High fields, pressing the Tab key a
Page 6 and 7: Again, right click the top of the c
Page 8 and 9: First step in analysis: Transformat
Page 10 and 11: For each set of terms, the probabil
Page 12 and 13: ANOVA report with annotations toggl
Page 14 and 15: At the left of the screen you see t
Page 16 and 17: To enable a handier tool for readin
Page 18 and 19: To revert back to the full triangle
Page 22 and 23: Flag enlarged via Toggle Size optio
Page 24: Point PredictionYou now see the pre

Mixture Design Tutorial (Part 1 â The Basics) - Statease.info

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Mixture Design Tutorial (Part 1 â The Basics) - Statease.info