WorksheetFunction.LogNorm_Dist method (Excel)
Returns the lognormal distribution of x, where ln(x) is normally distributed with parameters mean and standard_dev. Use this function to analyze data that has been logarithmically transformed.
Syntax
expression.LogNorm_Dist (Arg1, Arg2, Arg3, Arg4)
expression A variable that represents a WorksheetFunction object.
Parameters
| Name | Required/Optional | Data type | Description |
|---|---|---|---|
| Arg1 | Required | Double | X - The value at which to evaluate the function. |
| Arg2 | Required | Double | Mean - The mean of ln(x). |
| Arg3 | Required | Double | Standard_dev - The standard deviation of ln(x). |
| Arg4 | Optional | Variant | Cumulative - A logical value that determines the form of the function. If cumulative is True, LogNorm_Dist returns the cumulative distribution function; if False, it returns the probability density function. |
Return value
Double
Remarks
If any argument is nonnumeric, LogNorm_Dist returns the #VALUE! error value.
If x ≤ 0 or if standard_dev ≤ 0, LogNorm_Dist returns the #NUM! error value.
The equation for the lognormal cumulative distribution function is:
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