The phrase "a rigorous assumption" is correct and usable in written English.
It can be used when discussing a strict or precise assumption made in a theoretical or analytical context.
Example: "In our analysis, we start with a rigorous assumption that all variables are independent."
Alternatives: "a strict assumption" or "a precise assumption."
The hesitation to use the vaccine can be explained by various factors, including the rigorous assumption of equal effectiveness of the vaccine for BPD and NBPD.
Mixed models treat missing values as missing at random, which is a less-rigorous assumption than missing completely at random.
Also, programs implemented at a small scale can be assessed with the range without rigorous assumptions about sample distribution using non-parametric statistical approach.
Based on rigorous assumptions, the model reduction procedure is systematic and allows equivalent 'input output' representations of the system to be derived.
However, this dynamic Leontief model has several theoretical problems due to the rigorous assumptions needed for empirical research.
By describing the underlying economic dynamics of how public agencies and private organizations actually work together, he provides a rigorous analysis of the assumptions behind the case for privatization.
While we do not have a rigorous proof of these assumptions, they have been confirmed by extensive simulations.
Nobody has bothered to put the assumption to a rigorous test, mainly because it is very difficult to do so.
Plausible though that assumption is, a rigorous naturalist will want to shore it up with detailed case studies.
As is it well established that distance dependent PMFs perform well with a suitable definition of the reference state [3], [22], [38] [40], and the incorrect pairwise decomposability assumption impairs a rigorous statistical analysis, we do not discuss this type of PMFs further.
