Quality and Reliability Methods - SAS

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Contents Shewhart Control Charts for Variables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .71 XBar-, R-, and S- Charts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .71 Run Charts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76 Individual Measurement Charts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76 Presummarize Charts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79 Moving Average Charts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .81 Uniformly Weighted Moving Average (UWMA) Charts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .81 Exponentially Weighted Moving Average (EWMA) Charts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .83 Shewhart Control Charts for Attributes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .85 P- and NP-Charts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86 U-Charts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .88 C-Charts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89 Levey-Jennings Charts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .91 Phases . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .91 Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92 JSL Phase Level Limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .93
Chapter 5 Shewhart Control Charts 71 Shewhart Control Charts for Variables Shewhart Control Charts for Variables Control charts for variables are classified according to the subgroup summary statistic plotted on the chart: • X -charts display subgroup means (averages) • R-charts display subgroup ranges (maximum – minimum) • S-charts display subgroup standard deviations • Run charts display data as a connected series of points. The IR selection gives two additional chart types: • Individual Measurement charts display individual measurements • Moving Range charts display moving ranges of two or more successive measurements. XBar-, R-, and S- Charts For quality characteristics measured on a continuous scale, a typical analysis shows both the process mean and its variability with a mean chart aligned above its corresponding R- or S-chart. Or, if you are charting individual measurements, the individual measurement chart shows above its corresponding moving range chart. Example: X - and R-Charts The following example uses the Coating.jmp data in the Quality Control sample data folder (taken from the ASTM Manual on Presentation of Data and Control Chart Analysis). The quality characteristic of interest is the Weight column. A subgroup sample of four is chosen. An X -chart and an R-chart for the process are shown in Figure 5.1. To replicate this example, • Choose the Analyze > Quality And Process > Control Chart > XBar command. • Note the selected chart types of XBar and R. • Specify Weight as the Process variable. • Specify Sample as the Sample Label. • Click OK. Alternatively, you can also submit the following JSL for this example: Control Chart(Sample Size( :Sample), KSigma(3), Chart Col( :Weight, XBar, R)); Sample six indicates that the process is not in statistical control. To check the sample values, click the sample six summary point on either control chart. The corresponding rows highlight in the data table. Note: If an S chart is chosen with the X -chart, then the limits for the X -chart are based on the standard deviation. Otherwise, the limits for the X -chart are based on the range.
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Version 10 Quality and Reliability
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INDIRECT OR CONSEQUENTIAL DAMAGES O
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6 Nelson Rules . . . . . . . . . .
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8 8 Assess Measurement Systems The
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10 Other Menu Options . . . . . . .
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12 Reliability Forecast Platform Op
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Chapter 1 Learn about JMP Documenta
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Chapter 1 Learn about JMP 17 Book C
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Chapter 8 Assess Measurement System
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Chapter 9 Capability Analyses The C
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Chapter 9 Capability Analyses 143 L
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Chapter 9 Capability Analyses 145 C
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Chapter 10 Variability Charts Varia
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Chapter 10 Variability Charts 153 V
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Chapter 10 Variability Charts 163 R
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Chapter 10 Variability Charts 169 D
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Chapter 10 Variability Charts 171 A
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Chapter 11 Pareto Plots The Pareto
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Chapter 11 Pareto Plots 181 Pareto
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Chapter 11 Pareto Plots 187 Launch
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Chapter 11 Pareto Plots 189 One-Way
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Chapter 11 Pareto Plots 191 Two-Way
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Chapter 11 Pareto Plots 193 Defect
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Chapter 11 Pareto Plots 195 Defect
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Chapter 12 Ishikawa Diagrams The Di
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Chapter 13 Lifetime Distribution Us
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Chapter 14 Lifetime Distribution II
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Chapter 15 Recurrence Analysis The
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Chapter 16 Degradation Using the De
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Chapter 16 Degradation 279 Overview
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Chapter 16 Degradation 281 The Degr
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Chapter 16 Degradation 291 Inverse
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Chapter 16 Degradation 293 Platform
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Chapter 16 Degradation 295 Platform
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Chapter 16 Degradation 297 Model Re
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Chapter 16 Degradation 299 Destruct
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Chapter 16 Degradation 301 Stabilit
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Chapter 18 Reliability Growth Using
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Chapter 18 Reliability Growth 343 A
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Chapter 18 Reliability Growth 345 A
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Chapter 18 Reliability Growth 347 S
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Chapter 19 Reliability and Survival
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References Abernethy, Robert B. (19
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References 407 Carroll, R.J., Ruppe
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References 409 Haaland, P.D. (1989)
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References 411 Lawless, J.F. (1982)
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References 413 Nelson, W.B. (2003),
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References 415 Snee, R.D. and Marqu
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Index JMP Quality and Reliability M
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Index 419 Fit SEV 242 Fit Weibull 2
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Index 421 Q Quantiles table 356 R R
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Index 423 Weibull Plot 360 Westgard
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Quality and Reliability Methods - SAS

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