# User contributions for Lisa Hacker

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#### 17 March 2023

- 00:0000:00, 17 March 2023 diff hist +45 Experiment Design and Analysis Reference No edit summary current

#### 16 March 2023

- 23:5823:58, 16 March 2023
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**−27,449** Two Level Factorial Experiments No edit summary current - 23:5823:58, 16 March 2023
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**+27,472** N Two Level Fractional Factorial Designs Created page with "{{Template:Doebook|8.1}} ==Two Level Fractional Factorial Designs== As the number of factors in a two level factorial design increases, the number of runs for even a single replicate of the <math>{2}^{k}\,\!</math> design becomes very large. For example, a single replicate of an eight factor two level experiment would require 256 runs. Fractional factorial designs can be used in these cases to draw out valuable conclusions from fewer runs. The basis of fractional factor..." current - 00:3300:33, 16 March 2023 diff hist −67 Additional Tools →Estimating P\left[ {{t}_{2}}\ge {{t}_{1}} \right]\,\! Using the Life Comparison Wizard current

#### 15 March 2023

- 23:0223:02, 15 March 2023 diff hist +7 Webnotes Pages No edit summary current

#### 13 March 2023

- 23:4723:47, 13 March 2023 diff hist +75 The Lognormal Distribution No edit summary current
- 23:4423:44, 13 March 2023 diff hist +72 The Weibull Distribution No edit summary current Tag: Manual revert

#### 10 March 2023

- 22:5322:53, 10 March 2023 diff hist +7 Template:Doebook No edit summary current
- 22:4722:47, 10 March 2023 diff hist +7 Template:ALTABOOK No edit summary current
- 18:5218:52, 10 March 2023 diff hist +7 Template:Bsbook No edit summary current
- 18:4818:48, 10 March 2023
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**−50,720** Repairable Systems Analysis Through Simulation No edit summary current - 18:4818:48, 10 March 2023
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**+27,762** N Using Maintenance Tasks Created page with "{{Template:bsbook|7.3}} {{TU}} =Using Maintenance Tasks= One of the most important benefits of simulation is the ability to define how and when actions are performed. In our case, the actions of interest are part repairs/replacements. This is accomplished in BlockSim through the use of maintenance tasks. Specifically, four different types of tasks can be defined for maintenance actions: corrective maintenance, preventive maintenance, on condition maintenance and inspe..." current - 18:4518:45, 10 March 2023 diff hist +82 System Analysis Reference No edit summary current
- 18:4318:43, 10 March 2023
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**+22,835** N Using Pools and Crews Created page with "{{Template:bsbook|7.2}} {{TU}} =Using Resources: Pools and Crews= In order to make the analysis more realistic, one may wish to consider additional sources of delay times in the analysis or study the effect of limited resources. In the prior examples, we used a repair distribution to identify how long it takes to restore a component. The factors that one chooses to consider in this time may include the time it takes to do the repair and/or the time it takes to get a cr..." current - 18:2218:22, 10 March 2023 diff hist −7 Appendix: Maximum Likelihood Estimation Example →Illustrating the MLE Method Using Normal Distribution current
- 18:2118:21, 10 March 2023 diff hist −11 Appendix: Maximum Likelihood Estimation Example →Illustrating the MLE Method Using the Exponential Distribution
- 18:0118:01, 10 March 2023 diff hist +66 Life Data Analysis Reference Book No edit summary current
- 18:0018:00, 10 March 2023
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**−41,264** The Normal Distribution No edit summary current - 18:0018:00, 10 March 2023
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**+21,108** N Normal Confidence Bounds Created page with "{{template:LDABOOK|9.2|Normal Confidence Bounds}} ==Confidence Bounds== The method used by the application in estimating the different types of confidence bounds for normally distributed data is presented in this section. The complete derivations were presented in detail (for a general function) in Confidence Bounds. ===Exact Confidence Bounds=== There are closed-form solutions for exact confidence bounds for both the normal and lognormal distributions. However thes..." current - 17:5617:56, 10 March 2023
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**+20,259** N Normal Parameter Estimation Created page with "{{template:LDABOOK|9.1|Normal Parameter Estimation}} ==Estimation of the Parameters== ===Probability Plotting=== As described before, probability plotting involves plotting the failure times and associated unreliability estimates on specially constructed probability plotting paper. The form of this paper is based on a linearization of the ''cdf'' of the specific distribution. For the normal distribution, the cumulative density function can be written as: ::<math>F(t)=\..." current - 17:4817:48, 10 March 2023 diff hist +20 Lognormal Confidence Bounds →Example: Bayesian Bounds
- 17:3417:34, 10 March 2023 diff hist −7 Lognormal Confidence Bounds Undo revision 65646 by Lisa Hacker (talk) Tag: Undo
- 17:3117:31, 10 March 2023 diff hist +1 Lognormal Confidence Bounds →Bounds on Time(Type 1)
- 01:1401:14, 10 March 2023 diff hist +33 m Parameter Estimation Reverted edits by Lisa Hacker (talk) to last revision by M Spivey current Tag: Rollback
- 01:1201:12, 10 March 2023 diff hist −33 Parameter Estimation No edit summary Tag: Reverted
- 01:0301:03, 10 March 2023 diff hist +34 Life Data Analysis Reference Book No edit summary
- 00:5900:59, 10 March 2023
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**−4,922** The Logistic Distribution No edit summary current - 00:5900:59, 10 March 2023
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**+4,968** N Logistic Confidence Bounds Created page with "{{template:LDABOOK|14.1|Logistic Confidence Bounds}} ==Confidence Bounds== In this section, we present the methods used in the application to estimate the different types of confidence bounds for logistically distributed data. The complete derivations were presented in detail (for a general function) in Confidence Bounds. ===Bounds on the Parameters=== The lower and upper bounds on the location parameter <math>\widehat{\mu }\,\!</math> are estimated from : ::<math..." current - 00:5200:52, 10 March 2023 diff hist +7 The Logistic Distribution No edit summary
- 00:4800:48, 10 March 2023 diff hist +23 The Logistic Distribution →Logistic Probability Density Function
- 00:4700:47, 10 March 2023 diff hist −25 The Logistic Distribution No edit summary
- 00:4000:40, 10 March 2023 diff hist −164 Logistic Distribution Example No edit summary current
- 00:3600:36, 10 March 2023 diff hist +7 Logistic Distribution Example No edit summary
- 00:2900:29, 10 March 2023 diff hist −157 Complex Failure Modes Example No edit summary current
- 00:2400:24, 10 March 2023 diff hist +48 Competing Failure Modes Analysis →CFM Example current
- 00:1900:19, 10 March 2023 diff hist −370 Competing Failure Modes Analysis →CFM Example

#### 9 March 2023

- 01:0201:02, 9 March 2023 diff hist +1 Gamma Distribution Example No edit summary current
- 01:0101:01, 9 March 2023 diff hist −101 Gamma Distribution Example No edit summary
- 00:5400:54, 9 March 2023 diff hist −1 Life Data Classification →Fractional Failures current
- 00:5300:53, 9 March 2023 diff hist +216 Life Data Classification →Fractional Failures
- 00:5200:52, 9 March 2023 diff hist +202 Life Data Classification →Fractional Failures
- 00:3500:35, 9 March 2023 diff hist +7 Life Data Classification →Fractional Failures
- 00:2900:29, 9 March 2023 diff hist −72 The Weibull Distribution No edit summary Tags: Manual revert Reverted
- 00:2700:27, 9 March 2023 diff hist +72 The Weibull Distribution No edit summary Tag: Reverted
- 00:2600:26, 9 March 2023 diff hist +1 Life Data Analysis Reference Book No edit summary
- 00:2300:23, 9 March 2023
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**−27,135** The Exponential Distribution No edit summary current - 00:2300:23, 9 March 2023
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**+14,796** N Exponential Confidence Bounds Created page with "{{template:LDABOOK|7.2|Exponential Confidence Bounds}} ==Confidence Bounds== In this section, we present the methods used in the application to estimate the different types of confidence bounds for exponentially distributed data. The complete derivations were presented in detail (for a general function) in the chapter for Confidence Bounds. At this time we should point out that exact confidence bounds for the exponential distribution have been derived, and exist in a..." current - 00:2100:21, 9 March 2023
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**+12,452** N Exponential Parameter Estimation Created page with "{{template:LDABOOK|7.1|Exponential Parameter Estimation}} ==Estimation of the Exponential Parameters== ===Probability Plotting=== Estimation of the parameters for the exponential distribution via probability plotting is very similar to the process used when dealing with the Weibull distribution. Recall, however, that the appearance of the probability plotting paper and the methods by which the parameters are estimated vary from distribution to distribution, so there will..." current - 00:1300:13, 9 March 2023 diff hist +5 Bayesian-Weibull Analysis No edit summary current
- 00:0800:08, 9 March 2023 diff hist +135 Life Data Analysis Reference Book No edit summary