User contributions for Lisa Hacker

8 March 2023

• 23:4723:47, 8 March 2023 diff hist +53‎ Lognormal Confidence Bounds ‎No edit summary
• 23:4623:46, 8 March 2023 diff hist +53‎ Lognormal Parameter Estimation ‎No edit summary current
• 23:4423:44, 8 March 2023 diff hist −40,892‎ The Lognormal Distribution ‎ Replaced content with "{{template:LDABOOK|10|The Lognormal Distribution}} The lognormal distribution is commonly used to model the lives of units whose failure modes are of a fatigue-stress nature. Since this includes most, if not all, mechanical systems, the lognormal distribution can have widespread application. Consequently, the lognormal distribution is a good companion to the Weibull distribution when attempting to model these types of units. As may be surmised by the name, the logno..." Tag: Replaced
• 23:4423:44, 8 March 2023 diff hist +24,512‎ N Lognormal Confidence Bounds ‎ Created page with " ==Confidence Bounds== The method used by the application in estimating the different types of confidence bounds for lognormally distributed data is presented in this section. Note that there are closed-form solutions for both the normal and lognormal reliability that can be obtained without the use of the Fisher information matrix. However, these closed-form solutions only apply to complete data. To achieve consistent application across all possible data types, Weibull+..."
• 23:4223:42, 8 March 2023 diff hist +16,303‎ N Lognormal Parameter Estimation ‎ Created page with "==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 lognormal distribution, the cumulative density function can be written as: ::<math>F({t}')=\Phi \left( \frac{{t}'-{\mu }'}{{{\sigma'}}} \ri..."
• 00:0700:07, 8 March 2023 diff hist +2,094‎ m The Weibull Distribution ‎ Reverted edits by Lisa Hacker (talk) to last revision by M Spivey Tag: Rollback
• 00:0100:01, 8 March 2023 diff hist −2,094‎ The Weibull Distribution ‎No edit summary Tag: Reverted

7 March 2023

• 23:5323:53, 7 March 2023 diff hist +38,628‎ The Weibull Distribution ‎No edit summary Tag: Reverted
• 23:5123:51, 7 March 2023 diff hist +94‎ The Weibull Distribution ‎No edit summary Tag: Reverted
• 23:5023:50, 7 March 2023 diff hist −93‎ The Weibull Distribution ‎No edit summary Tag: Reverted
• 23:5023:50, 7 March 2023 diff hist +164‎ The Weibull Distribution ‎No edit summary Tag: Reverted
• 23:4923:49, 7 March 2023 diff hist +1,070‎ The Weibull Distribution ‎No edit summary Tag: Reverted
• 23:4923:49, 7 March 2023 diff hist −39,863‎ The Weibull Distribution ‎ Replaced content with "{{template:LDABOOK|8|The Weibull Distribution}} The Weibull distribution is one of the most widely used lifetime distributions in reliability engineering. It is a versatile distribution that can take on the characteristics of other types of distributions, based on the value of the shape parameter, <math> {\beta} \,\!</math>. This chapter provides a brief background on the Weibull distribution, presents and derives most of the applicable equations and presents example..." Tags: Replaced Reverted
• 22:0522:05, 7 March 2023 diff hist +7‎ Template:LDABOOK ‎No edit summary

6 March 2023

• 21:1221:12, 6 March 2023 diff hist −152‎ Experiment Design and Analysis Reference ‎No edit summary
• 21:1121:11, 6 March 2023 diff hist −145‎ Accelerated Life Testing Data Analysis Reference ‎No edit summary
• 21:1021:10, 6 March 2023 diff hist −6‎ Template:Allbooksindex ‎No edit summary current
• 21:0921:09, 6 March 2023 diff hist +45‎ m Template:Allbooksindex ‎ Reverted edits by Lisa Hacker (talk) to last revision by Kate Racaza Tag: Rollback
• 21:0821:08, 6 March 2023 diff hist −45‎ Template:Allbooksindex ‎No edit summary Tag: Reverted
• 21:0621:06, 6 March 2023 diff hist −171‎ Reliability Growth and Repairable System Analysis Reference ‎No edit summary
• 21:0621:06, 6 March 2023 diff hist −136‎ System Analysis Reference ‎No edit summary
• 21:0421:04, 6 March 2023 diff hist −410‎ Template:Allbooksindex footer ‎No edit summary current
• 21:0221:02, 6 March 2023 diff hist +465‎ m Template:Allbooksindex footer ‎ Reverted edits by Lisa Hacker (talk) to last revision by Chuck Smith Tag: Rollback
• 21:0021:00, 6 March 2023 diff hist +7‎ Template:Allbooksindex footer ‎No edit summary Tag: Reverted
• 21:0021:00, 6 March 2023 diff hist −140‎ Life Data Analysis Reference Book ‎No edit summary
• 20:5820:58, 6 March 2023 diff hist −472‎ Template:Allbooksindex footer ‎No edit summary Tag: Reverted
• 20:5420:54, 6 March 2023 diff hist −529‎ About ‎No edit summary
• 20:5120:51, 6 March 2023 diff hist −131‎ Template:ReliaSoft Footer ‎No edit summary
• 20:4520:45, 6 March 2023 diff hist −477‎ Main Page ‎No edit summary
• 20:4220:42, 6 March 2023 diff hist −449‎ BlockSim Examples ‎No edit summary
• 20:3820:38, 6 March 2023 diff hist −475‎ Weibull++ Examples ‎No edit summary Tag: Reverted

1 February 2023

• 21:1721:17, 1 February 2023 diff hist 0‎ m Weibull Distribution - Examples ‎ Removed protection from "Weibull Distribution - Examples" current
• 21:1521:15, 1 February 2023 diff hist 0‎ m Synthesis API Reference ‎ Removed protection from "Synthesis API Reference" current
• 21:1521:15, 1 February 2023 diff hist 0‎ m ReliaSoft API Reference ‎ Removed protection from "ReliaSoft API Reference"
• 21:1221:12, 1 February 2023 diff hist 0‎ m Template:API ‎ Removed protection from "Template:API" current
• 21:1121:11, 1 February 2023 diff hist 0‎ m Main Page ‎ Removed protection from "Main Page"

16 January 2023

• 19:5919:59, 16 January 2023 diff hist −16‎ User:Lisa Hacker ‎No edit summary current

9 January 2023

• 21:0921:09, 9 January 2023 diff hist −27‎ Main Page ‎No edit summary

21 December 2022

• 23:2723:27, 21 December 2022 diff hist 0‎ m Reliability Growth and Repairable System Analysis Reference ‎ Removed protection from "Reliability Growth and Repairable System Analysis Reference"
• 23:2523:25, 21 December 2022 diff hist 0‎ m Reliability Growth and Repairable System Analysis Reference ‎ Protected "Reliability Growth and Repairable System Analysis Reference" ([Edit=Allow only administrators] (indefinite) [Move=Allow only administrators] (indefinite)) [cascading]
• 23:0023:00, 21 December 2022 diff hist 0‎ m Experiment Design and Analysis Reference ‎ Removed protection from "Experiment Design and Analysis Reference"
• 23:0023:00, 21 December 2022 diff hist 0‎ m Accelerated Life Testing Data Analysis Reference ‎ Removed protection from "Accelerated Life Testing Data Analysis Reference"
• 22:5922:59, 21 December 2022 diff hist 0‎ m Reliability Growth and Repairable System Analysis Reference ‎ Removed protection from "Reliability Growth and Repairable System Analysis Reference"
• 22:5922:59, 21 December 2022 diff hist 0‎ m Life Data Analysis Reference Book ‎ Removed protection from "Life Data Analysis Reference Book"
• 22:5822:58, 21 December 2022 diff hist 0‎ m System Analysis Reference ‎ Removed protection from "System Analysis Reference"
• 22:3022:30, 21 December 2022 diff hist +33‎ ReliaWiki:Books/System Analysis Reference eBook ‎No edit summary current
• 22:2922:29, 21 December 2022 diff hist +21‎ System Analysis Reference ‎No edit summary

30 November 2017

• 23:0423:04, 30 November 2017 diff hist −10‎ Repository.XFRACAS.AddSystemMetric3 ‎No edit summary current
• 23:0423:04, 30 November 2017 diff hist −10‎ Repository.XFRACAS.AddSystemMetric2 ‎No edit summary current
• 23:0323:03, 30 November 2017 diff hist −10‎ Repository.XFRACAS.AddSystemMetric1 ‎No edit summary current