User contributions for Nicolette Young

4 January 2012

• 00:1400:14, 4 January 2012 diff hist −558 Template:Exponential Statistical Properties →The Exponential Reliability Function
• 00:1400:14, 4 January 2012 diff hist +140 N Template:Standard Deviation Created page with '===The Standard Deviation=== The standard deviation, <math>{{\sigma }_{T}}</math>, is: ::<math>{{\sigma }_{T}}=\frac{1}{\lambda }=m</math>'
• 00:1400:14, 4 January 2012 diff hist −139 Template:Exponential Statistical Properties →The Standard Deviation
• 00:1400:14, 4 January 2012 diff hist +87 N Template:Mode Created page with '===The Mode=== The mode, <math>\tilde{T},</math> is: ::<math>\tilde{T}=\gamma </math>'
• 00:1400:14, 4 January 2012 diff hist −86 Template:Exponential Statistical Properties →The Mode
• 00:1300:13, 4 January 2012 diff hist +124 N Template:Median Created page with '===The Median=== The median, <math> \breve{T}, </math> is: ::<math> \breve{T}=\gamma +\frac{1}{\lambda}\cdot 0.693 </math>'
• 00:1300:13, 4 January 2012 diff hist −123 Template:Exponential Statistical Properties →The Median
• 00:1300:13, 4 January 2012 diff hist +3,693 N Template:Exponential Statistical Properties Created page with '==Exponential Statistical Properties== ===The Mean or MTTF=== The mean, <math>\overline{T},</math> or mean time to failure (MTTF) is given by: ::<math>\begin{align} \bar{T}=…'
• 00:1300:13, 4 January 2012 diff hist −3,418 The Exponential Distribution →Exponential Statistical Properties
• 00:0900:09, 4 January 2012 diff hist +2,510 N Template:Exponential Probability Density Function Created page with '==Exponential Probability Density Function== ===The Two-Parameter Exponential Distribution=== The two-parameter exponential ''pdf'' is given by: ::<math>f(T)=\lambda {{e}^{-\lam…'
• 00:0900:09, 4 January 2012 diff hist −2,466 The Exponential Distribution →Exponential Probability Density Function
• 00:0600:06, 4 January 2012 diff hist +2,791 N Template:Simulation Based Bounds Created page with '== Simulation Based Bounds == The SimuMatic tool in Weibull++ can be used to perform a large number of reliability analyses on data sets that have been created using Monte Carlo…'
• 00:0600:06, 4 January 2012 diff hist −2,764 Confidence Bounds →Simulation Based Bounds
• 00:0500:05, 4 January 2012 diff hist +10,329 N Template:Bayesian Confidence Bounds Created page with '== Bayesian Confidence Bounds == A fourth method of estimating confidence bounds is based on the Bayes theorem. This type of confidence bounds relies on a different school of th…'
• 00:0500:05, 4 January 2012 diff hist −10,300 Confidence Bounds →Bayesian Confidence Bounds
• 00:0300:03, 4 January 2012 diff hist +2,705 N Template:Beta Binomial Confidence Bounds Created page with '== Beta Binomial Confidence Bounds == Another less mathematically intensive method of calculating confidence bounds involves a procedure similar to that used in calculating medi…'
• 00:0300:03, 4 January 2012 diff hist −2,671 Confidence Bounds →Beta Binomial Confidence Bounds
• 00:0300:03, 4 January 2012 diff hist +7,039 N Template:What are Confidence Bounds Created page with '== What are Confidence Bounds? == One of the most confusing concepts to a novice reliability engineer is estimating the precision of an estimate. This is an important concept in…'
• 00:0300:03, 4 January 2012 diff hist −7,009 Confidence Bounds →What are Confidence Bounds?

3 January 2012

• 23:2723:27, 3 January 2012 diff hist +8,828 N Template:BayesianParameterEstimationMethod Created page with '==Bayesian Parameter Estimation Methods== Up to this point, we have dealt exclusively with what is commonly referred to as classical statistics. In this section, another school o…'
• 23:2723:27, 3 January 2012 diff hist −8,791 Template:Bayesian Parameter Estimation Methods →Bayesian Parameter Estimation Methods
• 23:2523:25, 3 January 2012 diff hist −10,141 Template:MLE Parameter Estimation →MLE (Maximum Likelihood) Parameter Estimation for Complete Data
• 23:2423:24, 3 January 2012 diff hist +7,587 N Template:Rank Regression/Least Squares PE Created page with '===Rank Regression or Least Squares Parameter Estimation=== Using the idea of probability plotting, regression analysis mathematically fits the best straight line to a set of poi…'
• 23:2423:24, 3 January 2012 diff hist −7,551 Template:Rank Regression or Least Squares Parameter Estimation →Rank Regression or Least Squares Parameter Estimation
• 23:2123:21, 3 January 2012 diff hist −11,154 Template:Probability Plotting →Analysis of Right Censored (Suspended) Data
• 23:1423:14, 3 January 2012 diff hist +1,910 N Template:MedianRanks Created page with '====Median Ranks==== Median ranks are used to obtain an estimate of the unreliability, <math>Q({T_j})</math> for each failure. It is the value that the true probability of failur…'
• 23:1423:14, 3 January 2012 diff hist −1,898 Template:Probability Plotting →Probability Plotting
• 23:1223:12, 3 January 2012 diff hist +952 N Template:GumbelDistribution Created page with '===The Gumbel Distribution=== The Gumbel distribution is also referred to as the Smallest Extreme Value (SEV) distribution or the Smallest Extreme Value (Type 1) distribution. Th…'
• 23:1223:12, 3 January 2012 diff hist −930 Life Distributions →The Gumbel Distribution
• 23:1223:12, 3 January 2012 diff hist +877 N Template:LoglogisticDistribution Created page with '===The Loglogistic Distribution=== As may be summarized from the name, the loglogistic distribution is similar to the logistic distribution. Specifically, the data follows a logl…'
• 23:1123:11, 3 January 2012 diff hist −850 Life Distributions →The Loglogistic Distribution
• 23:1123:11, 3 January 2012 diff hist +869 N Template:LogisticDistribution Created page with '===The Logistic Distribution=== The logistic distribution has a shape very similar to the normal distribution (''i.e.'' bell shaped), but with heavier tails. Since the logistic d…'
• 23:1123:11, 3 January 2012 diff hist −845 Life Distributions →The Logistic Distribution
• 23:1123:11, 3 January 2012 diff hist +796 N Template:GammaDistribution Created page with '===The Gamma Distribution=== The gamma distribution is a flexible distribution that may offer a good fit to some sets of life data. Sometimes called the Erlang distribution, gamm…'
• 23:1023:10, 3 January 2012 diff hist −775 Life Distributions →The Gamma Distribution
• 23:1023:10, 3 January 2012 diff hist +1,918 N Template:GeneralizedGammaDistribution Created page with '=== The Generalized Gamma Distribution === While not as frequently used for modeling life data as the distributions discussed previously, the generalized gamma distribution does…'
• 23:1023:10, 3 January 2012 diff hist −1,885 Life Distributions →The Generalized Gamma Distribution
• 23:0923:09, 3 January 2012 diff hist +1,206 N Template:MixedWeibullDistribution Created page with '===The Mixed Weibull Distribution=== The mixed Weibull distribution is commonly used for modeling the behavior of components or systems exhibiting multiple failure modes (mixed p…'
• 23:0923:09, 3 January 2012 diff hist −855 Life Distributions →The Mixed Weibull Distribution
• 23:0823:08, 3 January 2012 diff hist −322 Life Distributions →Other Distributions
• 23:0823:08, 3 January 2012 diff hist +941 N Template:LognormalDistribution Created page with '===The Lognormal Distribution=== The lognormal distribution is commonly used for general reliability analysis, cycles-to-failure in fatigue, material strengths and loading varia…'
• 23:0823:08, 3 January 2012 diff hist −916 Life Distributions →The Lognormal Distribution
• 23:0723:07, 3 January 2012 diff hist +653 N Template:NormalDistribution Created page with '===The Normal Distribution=== <br> The normal distribution is commonly used for general reliability analysis, times-to-failure of simple electronic and mechanical components, eq…'
• 23:0723:07, 3 January 2012 diff hist −631 Life Distributions →The Normal Distribution
• 23:0723:07, 3 January 2012 diff hist +673 N Template:ExponentialDistribution Created page with '===The Exponential Distribution=== The exponential distribution is commonly used for components or systems exhibiting a constant failure rate and is defined in its most general c…'
• 23:0723:07, 3 January 2012 diff hist −646 Life Distributions →The Exponential Distribution
• 23:0623:06, 3 January 2012 diff hist +2,531 N Template:WeibullDistribution Created page with '===The Weibull Distribution=== The Weibull distribution is a general purpose reliability distribution used to model material strength, times-to-failure of electronic and mechanic…'
• 23:0623:06, 3 January 2012 diff hist −2,508 Life Distributions →The Weibull Distribution
• 23:0523:05, 3 January 2012 diff hist +3,605 N Template:ParameterTypes Created page with '===Parameter Types=== Distributions can have any number of parameters. Do note that as the number of parameters increases, so does the amount of data required for a proper fit. I…'
• 23:0523:05, 3 January 2012 diff hist +85 Life Distributions No edit summary