alphagov/performanceplatform-collector — pull request #85 by robyoung (2014-08-22 09:10:49+00:00)
Title: Empty data set before posting trending

If it is not removed, when a page path receives no traffic it will still
be included in the output with it's last values.

I did not work on the trending collector so I'm absolutely certain this is correct, but leaving old values in there seems bad.