Returns the inverse of the lognormal cumulative distribution function of x, where ln(x) is normally distributed with parameters mean and standard_dev. If p = LOGNORMDIST(x,...) then LOGINV(p,...) = x.
Use the lognormal distribution to analyze logarithmically transformed data.
Syntax
LOGINV(probability,mean,standard_dev)
Probability is a probability associated with the lognormal distribution.
Mean is the mean of ln(x).
Standard_dev is the standard deviation of ln(x).
Remarks
- If any argument is nonnumeric, LOGINV returns the #VALUE! error value.
- If probability < 0 or probability > 1, LOGINV returns the #NUM! error value.
- If standard_dev <= 0, LOGINV returns the #NUM! error value.
- The inverse of the lognormal distribution function is:
Example
The example may be easier to understand if you copy it to a blank worksheet.
How to copy an example
- Create a blank workbook or worksheet.
- Select the example in the Help topic.
Note Do not select the row or column headers.
Selecting an example from Help
- Press CTRL+C.
- In the worksheet, select cell A1, and press CTRL+V.
- To switch between viewing the results and viewing the formulas that return the results, press CTRL+` (grave accent), or on the Formulas tab, in the Formula Auditing group, click the Show Formulas button.
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|
| A |
B |
| Data |
Description |
| 0.039084 |
Probability associated with the lognormal distribution |
| 3.5 |
Mean of ln(x) |
| 1.2 |
Standard deviation of ln(x) |
| Formula |
Description (Result) |
| =LOGINV(A2, A3, A4) |
Inverse of the lognormal cumulative distribution function for the terms above (4.000014) |
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