"assortment by" is correct and usable in written English.
You can use it to describe a grouping or categorization of items by type, category, color, etc. For example, "I sorted the collection of books into an assortment by author."
Her repertory here includes Garland favorites (as a child Sherie performs "Get Happy" for patients at the Menninger Clinic); introspective numbers by David Byrne, Tom Waits and Harry Nilsson; and an assortment by one Fred Rogers.
The community curates Minted's assortment by voting to tell the company what to sell.
Assortment by weighted degree is indicative of clusters of high resource exchange within the network.
There is evidence of significant positive assortment by weighted degree at least within some networks (Table 2).
Hierarchical clustering of these averaged profiles shows general assortment by ancestry, although variation was generally greater within than across populations.
Third, mutual mate choice could explain assortment by resolving sexual conflict over mate quality traits [ 3, 4].
"Given Wal-Mart's expertise in supply chain management, it's essential that they put this skill to good use micro-managing assortments by store," according to Richard Seesel, another RetailWire BrainTrust panelist writing in a recent online discussion.
One of the best candidates for a regularity in genetics is a revised version of the rule of independent assortment devised by Gregor Mendel (1822 84): genes on different chromosomes are distributed independently when the gametes are formed (at meiosis).
The results demonstrate that consumers will view an assortment characterized by a more restrictive return policy as attractive to the extent that the assortment supports the information processing strategy triggered by the return policy.
Protocells with less specific enzymes reduce the assortment load by maintaining metabolism at moderate efficiency.
When Mr. Stevenson arrived, he was greeted by an assortment of Victoriana left by the previous residents that included a crystal chandelier and an elaborately carved wooden couch and matching desk.
