In some situations, to increase your total sample size, it can be beneficial to merge 9-hole rounds together to form 18 hole rounds in order to include them in the 18-hole statistics. There are several advantages of doing this:
- 1. Increased sample size. The more shots you have in your database, the more representative the numbers become of your overall performance level.
- 2. By merging rounds, we are only counting the shots you have actually hit. This is very important, as simply 'doubling' a 9-hole round of golf results in you counting shots that you haven't actually hit.
To enable this in Anova, head over to the top right hand menu, and 'preferences
![](https://anovagolf.intercom-attachments-1.com/i/o/147327264/aeda844ad7463a8cbafc9281/file-EN1ug6zdtx.png)
Make sure the 'check' the 'include 9-hole rounds' option:
![](https://anovagolf.intercom-attachments-1.com/i/o/147327266/f1bdd25b71e9c3b6c2e380e6/file-5DYx5tRvIy.png)
This option will automatically merge 9-hole rounds that are played on the same course and the same tees into a full 18-hole round. In the 18-hole rounds list, you can see these rounds in the list with a red asterisk next to them:
![](https://anovagolf.intercom-attachments-1.com/i/o/147327268/5b2e0ba1eab052451a56132a/file-NX7Cx2Mxy9.png)