The phrase "a set of usual" is not correct in written English.
It seems to be an incomplete expression and lacks clarity.
Example: "We have a set of usual practices that we follow during the project."
Alternatives: "a collection of common" or "a group of standard".
In this case, "norms" refers to a set of accepted usual, typical, standard acceptable behaviors in the classroom.
First, we may consider the total occurrence count in a sequence (or in a set of sequences) as usual (see Definition 4 below).
The signature, a set of variations in the usual DNA sequence, is carried on the Y chromosome, which is bequeathed unchanged from father to son.
But Axwell's fans came to make their own theater on the dance floor, and a set of his business as usual was all they wanted.
As the constraints are typically not concave functions over a set of design measures, the usual equivalence theorems of optimal design theory do not hold for the first approach, and numerical implementation is required.
In order to re-write Eq. (4) as a set of linear equations, the usual parameterization of the flow at the core surface is used (see for example Whaler, 1986; Bloxham, 1988).
It is shown that the lower bound for the average variance of a set of contrasts in the usual block design setting with a single measured response also provides a bound for a similar set of contrasts in the multiple response setting.
Sedentary behavior was assessed using a set of questions on the usual amount of time spent in 1) television viewing (including digital video discs (DVDs)) and 2) any other (non-television-viewing) sitting during leisure time, including reading and computer use ("In the last 4 weeks, how much time did you spend sitting down doing any other activity on an average weekday/weekend day?").
