Loading collection data...
Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
Get started now by creating a new collection.
It's not better, but it's what I had to do to get my R solution to work. Sorry maybe not clear, this is a tip for solutions rather than improving the kata.
For rounding issues with R, you don't want to round, you want to throw away everything after the 6th decimal.