LogNormal
LogNormal()Lognormal distribution parameterized by underlying normal mu and sigma.
Attributes
| Name | Description |
|---|---|
| mean | Expected value. |
| support | Distribution support. |
| variance | Variance. |
| x_range | Practical plotting range. |
Methods
| Name | Description |
|---|---|
| cdf | Cumulative distribution function. |
| elicit | Elicit a lognormal distribution from positive percentile bounds. |
| fit | Fit a lognormal distribution to positive observations. |
| Probability density function. | |
| ppf | Percent point function / inverse CDF. |
| sample | Generate random samples. |
| validate_params | Validate mu and sigma parameters. |
cdf
LogNormal.cdf(x)Cumulative distribution function.
elicit
LogNormal.elicit(lower, upper, confidence=0.8, name=None)Elicit a lognormal distribution from positive percentile bounds.
fit
LogNormal.fit(data, name=None)Fit a lognormal distribution to positive observations.
LogNormal.pdf(x)Probability density function.
ppf
LogNormal.ppf(q)Percent point function / inverse CDF.
sample
LogNormal.sample(size=1, *, seed=None)Generate random samples.
validate_params
LogNormal.validate_params(params)Validate mu and sigma parameters.