# Running the Reproducibility and Heritability Report with/without Calculating Errors in GenomeStudio

There are two options when generating Reproducibility and Heritability Report in GenomeStudio 2.0:

* with Calculating Errors
* without Calculating Errors

  ![](/files/seXGuDpy0oweBikpLGQx)

The option selected depends on the state of the GenomeStudio project:

1. If "with Calculating Errors" is selected, the software will initiate recalculations of the reproducibility and heritability for all SNPs and run the report based on the calculated values from recalculation. This will update and recalculate the errors which takes longer.

Select "with Calculating errors" if:

* first time running the Report
* user wants to re-run the calculations (for example, due to changes in clustering) and make sure the report is generating the most up-to-date correct data
* user is not sure whether they have already done the calculation with errors

2. If "without calculating errors" is selected, the report draws on information that is already in the Samples Table and SNP statistics and runs the report based on the existing data that is in the project.

Select "without Calculating errors" if:

* user has already run the report "with Calculating Errors" and is confident that the project is up to date
* there were no changes since the last time the report was run and user wants to save time. The data has already been registered in the project and selecting "without Calculating Errors" will report the same value as if the report was run "with Calculating Errors".

**Additional resources:**

* [GenomeStudio Software 2.0 User Guides](https://support.illumina.com/downloads/genomestudio-2-0-user-guides.html)
* [GenomeStudio Advanced Analysis Tools Support Webinar Video](https://knowledge.illumina.com/microarray/general/microarray-general-reference_material-list/000008071)

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| *For any feedback or questions regarding this article (Illumina Knowledge Article #9768), contact Illumina Technical Support* [*techsupport@illumina.com*](mailto:techsupport@illumina.com?subject=Question%2FFeedback%20Regarding%20Illumina%20Knowledge%20Article%20#000009768%20-%20Microarray%20\&body=Dear%20Illumina%20Technical%20Support,%0D%0A%0D%0A)*.* |


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