The phrase "added metric" is correct and usable in written English.
It can be used when referring to a metric that has been included or introduced in a particular context, such as data analysis or performance measurement.
Example: "The report now includes an added metric to better assess customer satisfaction levels."
Alternatives: "additional metric" or "supplementary metric".
Running from Saturday, July 5 to the glorious arrival in Paris on Sunday, July 27, the Tour de France this year will cover a total distance of 3,664 kilomètres, or 2,277 miles, for those not keen on the (mandatory, may I add) metric system.
Privatised during the early 1990s, they faced particularly tough markets because of low-cost new entrants in Asia, and because the break-up of the Soviet Union, which had not previously exported steel to the West, added 40m metric tonnes of capacity to an already stretched industry.
In February, Facebook-owned WhatsApp announced it had reached one billion users worldwide, and this week, the company added another metric to demonstrate its ongoing traction and growth.
In CASP7, the assessors added a metric for hydrogen bond conservation, HBscore, in order to assess local atomic interactions (Kopp et al., 2007).
In this example, the ADD metric accounts for 2 and MOD metric accounts for 1, respectively.
The ADD metric represents the number of days of treatment for an animal based on an assumed average maintenance dosage needed for clinical therapy.
Put another way, these trucks add 1.6bn metric tons of CO2 equivalent emissions into the atmosphere annually, accounting for 5.75% of emissions globally, according to a 2012 Carbon War Room report (pdf).
Maybe we can add another metric of smoothness in the interactive process, like (5) in [ 9].
For midfielders, we added in a metric for the players' goals scored.
And Zagat has added a new metric, a simple "like," to show users the percentage of diners in Zagat's community that enjoyed a particular establishment.
