diff --git a/Documentation/UsersGuide/CaseGroupsAndStatistics.md b/Documentation/UsersGuide/CaseGroupsAndStatistics.md index 65f4dab7d7..8f0f723593 100644 --- a/Documentation/UsersGuide/CaseGroupsAndStatistics.md +++ b/Documentation/UsersGuide/CaseGroupsAndStatistics.md @@ -1,4 +1,3 @@ - ## Grid Case Groups and Statistics ![](images/GridCaseGroupTree.png) @@ -51,17 +50,18 @@ The properties of an uncalculated and a calculated **Statistics Case** is shown - **Percentile Setup**: Selects whether to calculate percentiles, what method and what percentile levels should be used. Turning this off speeds up the calculations. - **Well Data Source Case**: This option selects which set of **Simulation Wells** to be shown along with the statistical results. You can select one of the **Source Cases**. ->##### Percentile Methods -> ->Three Percentile methods are implemented: -> ->- **Interpolated Observation** ->The values are sorted, and the two observations representing the probabilities closest to the percentile are interpolated to find the value for the percentile. This is the default method. ->- **Nearest Observation** ->The values are sorted, and the first observation representing a probability higher or equal to the percentile probability is selected as the value for the percentile. This method is by some considered to be statistically more puristic. ->- **Histogram based estimate** ->A histogram is created and the percentile is calculated based on the histogram. This method will be faster when having a large number of realizations, because no value sorting is involved. You would however need several hundred realizations before this method should be considered. -> +##### Percentile Methods + +Three Percentile methods are implemented: + +- **Interpolated Observation** +The values are sorted, and the two observations representing the probabilities closest to the percentile are interpolated to find the value for the percentile. This is the default method. +- **Nearest Observation** +The values are sorted, and the first observation representing a probability higher or equal to the percentile probability is selected as the value for the percentile. This method is by some considered to be statistically more puristic. +- **Histogram based estimate** +A histogram is created and the percentile is calculated based on the histogram. This method will be faster when having a large number of realizations, because no value sorting is involved. You would however need several hundred realizations before this method should be considered. + + #### Viewing the results When the computation is complete, you have to create a 3D View on the **Statistics Case** to view the results. Use the Context menu available by right clicking the **Statistics Case** to create it.