JMP Supplement to DFSS Green Belt Week 1

JMP Supplement to DFSS Green Belt Week 1
Design Identify Optimize Verify Copyright © SigmaZone.com. (Contents may not be copied.)

JMP Supplement for Module 7
Copyright © SigmaZone.com. (Contents may not be copied.)

Resistance Example Open File “Resistance Example.jmp”.

Key Press Example The force required to actuate
a button on 20 prototype phones is shown here. The force must be between 2 and 4 Newtons to meet the human factors requirements. What is the current capability of the process? Open “Force to Actuate.xls”. Copyright © SigmaZone.com. (Contents may not be copied.)

Key Press Example (cont.)
Move data from Excel into JMP by pressing Data Table. Quantum XL Stat Tools -> Analysis Tools -> Capability Analysis Copyright © SigmaZone.com. (Contents may not be copied.)

Optional JMP has the option to associate specification limits with a column. Right click on the column heading and select “Columns Properties” > “Spec Limits” Note that JMP puts the LSL above the USL. Copyright © SigmaZone.com. (Contents may not be copied.)

Set JMP to use Ppk with “Long Term”
Select File > Preferences > Platforms > Capability Click “Ppk Capability Labeling” Copyright © SigmaZone.com. (Contents may not be copied.)

JMP now calls “Ppk” = Long Term
New Output from JMP JMP now calls “Ppk” = Long Term Copyright © SigmaZone.com. (Contents may not be copied.)

Getting both Cpk and Ppk from JMP
JMP 10 and 11, must go through Control Chart builder Click on IR IR stands for “Individuals and Moving Range” Note: If using rational subgrouping then choose Xbar Copyright © SigmaZone.com. (Contents may not be copied.)

Binomial Distribution
Much easier to do in Excel than JMP. For directions in JMP see this video For Excel, open the file “Binomial Distribution in Excel (easier than JMP).xlsx Copyright © SigmaZone.com. (Contents may not be copied.)

Binomial Confidence Interval
Binomial Sample Confidence Interval where p = .9 n = 1000 α = 5% (95% confidence) z1- α/2 = 1.96 Simplified Equation based upon approximation of the Binomial CI with a Normal Distribution. Quantum XL uses the exact formula. Copyright © SigmaZone.com. (Contents may not be copied.)

Sampling Example: An election poll
Open file “California Election Poll.jmp”. Copyright © SigmaZone.com. (Contents may not be copied.)

© European Communities, 1995-2007 Source http://europe.eu
Closer Election Silvio Berlusconi Romano Prodi © European Communities, Source Used with Permission Open file Berlusconi vs Prodi. Copyright © SigmaZone.com. (Contents may not be copied.)

Impact on Design Decisions
“Contaminant Removal.jmp”. Copyright © SigmaZone.com. (Contents may not be copied.)

Impact on Design Decisions
Open file “20 Datapoints contaminant removal.jmp”. Copyright © SigmaZone.com. (Contents may not be copied.)

Viscosity Index Open file “Viscosity Index.jmp”.

Distribution Fitting JMP is very good at distribution fitting

Distribution Fitting (cont.)
Minitab ranks according to AIC Select “Diagnostic Plot” and “Goodness of Fit” Display of parameters Copyright © SigmaZone.com. (Contents may not be copied.)

JMP’s Diagnostic Plot Can be either a Quantile or Probability Plot. JMP chooses automatically for you based on the distribution. The difference between Quantile and Probability plot are mathematical minutia. You interpret them the same. However, JMP may not exactly match other software. For more information see… Copyright © SigmaZone.com. (Contents may not be copied.)

Goodness-of-Fit Test JMP chooses which test to run based on the distribution. The test isn’t always available for all distributions. JMP displays a note “Small p-values reject Ho”. Example: if the p-value was .05, then you are 95% confident the data does not fit the Gamma (or other) distribution. Generally, any p-value less than .05 we would reject the distribution. For p-values greater than .05 we “fail to reject the distribution”. Remember, a single dataset can match multiple distributions. Copyright © SigmaZone.com. (Contents may not be copied.)

Test of Proportions Example Step 3
Quantum XL Format JMP Format Copyright © SigmaZone.com. (Contents may not be copied.)

Test of Proportions JMP Reports
Fisher’s Exact Test Adjusted Wald Test Neither is the same calculation as Quantum XL. However, all are similar answers. With larger sample sizes, the results are more similar. Copyright © SigmaZone.com. (Contents may not be copied.)

Chi-Squared Independence Test
Failure Mode By Supplier.jmp Copyright © SigmaZone.com. (Contents may not be copied.)

Chi-Squared Independence Test

t Test Example LED Luminance.jmp

t-Test Exercise Competitive Bearing Analysis.jmp

Paired Data Open “Cingular vs T-Mobile.jmp”

Sprint vs. Verizon Open “Sprint vs. Verizon Paired.jmp”
Open “Sprint vs. Verizon Not Paired.jmp” Copyright © SigmaZone.com. (Contents may not be copied.)

Multiple Groups (ANOVA)
Four Suppliers.jmp Copyright © SigmaZone.com. (Contents may not be copied.)

Multiple Groups (ANOVA)

F Test Example New Specs – Before and After.jmp

Graphs that Complement Group Tests
Open “Four Suppliers.jmp” Copyright © SigmaZone.com. (Contents may not be copied.)

Graphs that Complement Group Tests
The dot plot comes up by default. Select “Quantiles” to bring up the box plot. Copyright © SigmaZone.com. (Contents may not be copied.)

Sample Size Sample Size in JMP is located under the DOE menu item.
Select Two Sample Means from the next menu. Copyright © SigmaZone.com. (Contents may not be copied.)

Sample Size Enter everything but Sample Size.
Press the “Continue Button”. Copyright © SigmaZone.com. (Contents may not be copied.)

Sample Size JMP reports the total sample size (not per group).
In this example, N=39 for BOTH samples. Copyright © SigmaZone.com. (Contents may not be copied.)

Copyright © 2006 Digital Computations, Inc.
Conducting an MSA #1 #2 Operator #1 Operator #2 Rep 1 Rep 2 Part 1 7 8 12 Part 2 4 9 Part 3 6 10 11 Simple MSA Example.jmp Copyright © SigmaZone.com. (Contents may not be copied.) Copyright © 2006 Digital Computations, Inc.

JMP and MSA Must change Operator And Part to Nominal Note the Pattern

Parts and Operators can be text instead of numbers.
JMP and MSA Change to “Gauge R&R” Measured Value Part Designator Operator Designator Change to “Crossed” Parts and Operators can be text instead of numbers. Copyright © SigmaZone.com. (Contents may not be copied.)

Parts and Operators can be text instead of numbers.
JMP and MSA Use REML analysis Click Parts and Operators can be text instead of numbers. Copyright © SigmaZone.com. (Contents may not be copied.)

JMP and MSA Turn on options Xbar Control Limits S Control Limits
Variance Components Gauge RR Copyright © SigmaZone.com. (Contents may not be copied.)

JMP and MSA Enable Gauge RR

Click then change to REML Copyright © 2006 Digital Computations, Inc.
MSA Practice Problem Click then change to REML Copyright © SigmaZone.com. (Contents may not be copied.) Copyright © 2006 Digital Computations, Inc.

Rapid MSA on Volts Measure Part No Operator Change to REML

Sonar MSA Distance 1 Meter
Change Part and Operator to Nominal Copyright © SigmaZone.com. (Contents may not be copied.)

Attribute MSA Open file “Attribute MSA Example.jmp”

Attribute MSA Exercise
Open file “MSA Exercise Attribute.xls” Copyright © SigmaZone.com. (Contents may not be copied.)

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