I don't know if it is good or bad, but, think about the following metric: the number of lines written but eventually deleted divided by the number of lines of code retained.[1] [2]

[1]: http://journal.stuffwithstuff.com/2015/09/08/the-hardest-pro...

[2]: https://www.folklore.org/StoryView.py?story=Negative_2000_Li...