lognormal distribution

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Related to Log-normal distribution: Poisson distribution, Gamma distribution, Exponential distribution, Beta distribution, Weibull distribution, Pareto distribution

log·nor·mal dis·tri·bu·tion

if a variable y is such that x = log y, it is said to have a lognormal distribution; this is a skew distribution.

lognormal distribution

see lognormal distribution.
References in periodicals archive ?
5 (2-5) (7-9) * All distributions are fitted to log-normal distributions with medians and standard deviations as indicated.
In statistical literature, the problem of choosing between the family of log-normal distributions and the family of exponential distributions has a long history.
Future investigation of the deviation pattern from the Log-Normal distribution might identify differential diagnoses.
The two approaches were (i) uniform model over D [member of] [0, 60] nm and (ii) "low resolution" approach [30] using the log-normal distribution parameters determined in Sec.
95%) was often needed for drawing the lines of two normal or log-normal distributions.
The prices for strangles and risk-reversals will provide information on the implied probability distribution's deviation from the log-normal distribution.
Equation-2 shows that stock prices follows a log-normal distribution.
Application of the Log-Normal Distribution to the Pricing of Call Options.
After the data were logged, the plot showed a single log-normal distribution, with a mean close to 0% inhibition, i.
On the other hand, hydraulic conductivity was measured by a number of parameters such as a log-normal distribution.
Concerning the practical results, two cancer hospitals --one in Frankfurt and one in Vienna--confirmed that in 90 percent of cases, there is a significant agreement between the evidence of clinically investigated cancer and the "break down" of the agreement of the frequency distribution to a Log-Normal distribution.