Transcription of Distribution Weibull Fitting - NCSS
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Distribution Weibull Fitting - NCSS
NCSS Statistical Software 550-1 NCSS, LLC. All Rights Reserved. Chapter 550 Distribution ( Weibull ) Fitting Introduction This procedure estimates the parameters of the exponential, extreme value, logistic, log-logistic, lognormal, normal, and Weibull probability distributions by maximum likelihood. It can fit complete, right censored, left censored, interval censored (readout), and grouped data values. It also computes the nonparametric Kaplan-Meier and Nelson-Aalen estimates of survival and associated hazard rates. It outputs various statistics and graphs that are useful in reliability and survival analysis. When the choice of the probability Distribution is in doubt, the procedure helps select an appropriate probability Distribution from those available. Features of this procedure include: 1. Probability plotting, hazard plotting, and reliability plotting for the common life distributions.
Distribution (Weibull) Fitting Introduction This procedure estimates the parameters of the exponential, extreme value, logistic, log-logistic, lognormal, normal, and Weibull probability distributions by maximum likelihood. It can fit complete, right censored, left censored, interval censored (readou t), and grouped data values.
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