The phrase "assortment of categories" is correct and usable in written English.
It can be used when referring to a variety or collection of different types or classes within a particular context.
Example: "The store offers an assortment of categories, including electronics, clothing, and home goods."
Alternatives: "variety of categories" or "range of categories".
After sifting through the lion's share of new releases and cooking dozens of recipes from them, we've come up with an assortment of 10 books in a variety of categories that we can heartily recommend.
Sure, Amazon competes in a wider assortment of product categories, so one wouldn't assume that BestBuy.com could keep up with this triple digit pace.
An analysis of the interacting loci according to molecular functions reveals an assortment of functional categories including cytoskeleton interaction proteins (moe and ctp), transcription factors (net) and metabolic enzymes (CG17323 and CG10561).
Read other sellers' auctions in an assortment of eBay categories to see what they sell and how they sell it.
After you connect with Facebook, Savor selects an assortment of stores and categories you may be interested in, and lets you further customize those suggestions by clicking the store names and categories that appeal to you (e.g. "Women's Apparel," "Shoes," "Toys," Computer Accessories," etc).
The number and assortment of allocated GO categories reflected the diversity and complexity of genes expressed in mandarin fish.
The numbers and assortment of allocated GO categories provides a good indication of the large diversity of expressed genes sampled from the Eucalyptus transcriptome.
Now, the retailer has technology and warehouse systems in place to offer a wider assortment of items in major categories, according to Francine Klein, executive vice president at Bloomingdale's.
In the garage spring cleaning example, if we were using famed Japanese clutter consultant Marie Kondo's principles, our pack rat would have to choose only the things that "spark joy" from the smaller assortment of favorites in each category pile, and sell or toss everything else.
