The phrase "a minimum proportion" is correct and usable in written English.
It can be used when discussing the smallest amount or percentage of something that is required or acceptable in a given context.
Example: "The study requires a minimum proportion of participants to be from diverse backgrounds to ensure accurate results."
Alternatives: "a required percentage" or "the least amount".
"Mandatory inclusionary zoning" would raise permissible density in some areas, but developers would have to ensure that a minimum proportion of units meets the city's definition of affordable.
One of its tasks is fending off American cultural domination by enforcing a requirement that radio stations and television channels air a minimum proportion of Canadian content.
Moreover, legislation can be passed in the assembly only if it has the support of a minimum proportion of both unionist and nationalist members.
The main way of keeping banks safe is through international rules, known as the Basel accord, that limit their exposure to risk by stipulating that their capital must at least equal a minimum proportion of their assets (weighted by risk).
Nick Clegg's leadership came under its most severe challenge since the coalition was formed when the Liberal Democrat conference at the weekend refused to endorse the health bill, and he faced a damaging public split in his party over his plans to force the rich to pay a minimum proportion of their earnings in tax.
Options in a paper expected to be published on Monday will include: forcing new selective schools to take a minimum proportion of pupils from lower income households requiring them to establish a new non-selective free school, or a primary feeder school in an area with a high density of lower income households requiring them to sponsor an existing underperforming, non-selective academy school.
One way in which studies are coping with over-fitting is to increase outlier thresholds (e.g. from log2ratio = 0.2 to 0.3) or to require a certain minimum proportion (say 33%) of tumours to share a particular aberration.
For strike votes, what is required is that a specified minimum proportion of eligible union members must actively vote to strike.
Require the banks to keep a certain minimum proportion of their assets in reserve, monitor their lending policies, place restrictions on the businesses they can enter, and so forth.
Since a broker controls the resources and acquires them only when they are deemed profitable, our work also makes use of a threshold for the blocking ratio as another criterion to ensure that the client enterprises have a guarantee regarding the minimum proportion of requests scheduled.
The q value of a test measures the minimum proportion of false positives (the false discovery rate, FDR) when that test is called significant (Storey and Tibshirani 2003).
