The phrase "an unprecedented set of" is correct and usable in written English.
It can be used to describe a collection or group of items, events, or circumstances that have never been seen or experienced before.
Example: "The researchers discovered an unprecedented set of data that could change the course of their study."
Alternatives: "a unique collection of" or "an unmatched group of".
"We're responding to an unprecedented set of circumstances," Mr. Rabe said.
"What we have now is really an unprecedented set of guidelines, ground rules, that govern the landlord-tenant relationship, and Vantage is and has been enthusiastic".
Household savers may benefit, but the housing recovery could suffer.The financial crisis of 2007/08 unleashed an unprecedented set of measures by the world's major central banks.
It's hardly an unprecedented set of sounds, but these long-established Liverpool psych-rockers manage to shake them up into some interesting new ish) configurations.
This comes at a time when long-term changes to our population, economy and environment present an unprecedented set of challenges to local government.
Yeager, who is the commissioner of the Colonial Athletic Association, said he generally disagreed with Emmert's notion that this was not an unprecedented set of circumstances for the N.C.A.A. to apply its bylaws.
Azuma Makoto has created a completely unprecedented set of landscape images that show organic life on the edge of space.
"It was designed to be a quick fix in an impossible and unprecedented set of circumstances," he says.
Although, as many other analysts have noted, the lack of reliable census and survey statistics between the period 1989-1999, whicorrespondedded to a rapid and unprecedented set of changes, make it difficult to establish a pattern and position from which to assess and plan.
The International Telecommunication Union (ITU) took an unprecedented step of proposing an alternative set of settlement rates for its members.
Born as a fishmonger's daughter in London, Tenzin Palmo has set an unprecedented example of following in the footsteps of the most dedicated Tibetan yogis by spending 12 years in solitary retreat in a cave in Ladakh, immersing herself so deeply in this tradition that she has earned the unabashed respect of traditional Asian teachers and modern Westerners alike.
