The phrase "absence of a systematic" is correct and usable in written English.
It can be used when discussing the lack of a structured or organized approach to a particular issue or topic.
Example: "The absence of a systematic method in the research led to inconsistent results."
Alternatives: "lack of a structured" or "nonexistence of a systematic".
"They are operating largely in the absence of a systematic evidence base", she says.
This paper addresses the problem of the absence of a systematic information system for the fashion industry in India.
Furthermore, in the absence of a systematic guideline, the appraisal of ECs' performance is likely to be conducted in an individualistic manner.
Lord Ashdown's review of how the UK responds to humanitarian emergencies points to a major shortcoming in today's humanitarian aid system: the absence of a systematic effort to assess whether beneficiaries are satisfied with the efforts made on their behalf by UN agencies and NGOs.
In part, this could be because Smith thinks that, in the absence of a systematic plan to deal with toxic assets (which we don't know if Geithner had), guaranteeing all bank debt would have allowed banks to engage in more risky behavior, knowing that taxpayers would foot the bill.
In the absence of a systematic and quantifiable method of judging courses, and ahead of the student satisfaction surveys currently being proposed, we reckon there is a place for a resource such as this in the students' armoury when picking a course and a place to study it from the thousands available.
Although the slopes of the lines describing the data covered a considerable range, perhaps reflective of measurement errors or differences in populations in the different studies, these investigators reported an absence of any systematic departures from the expected lognormal distributions in the data sets, and supported the use of a simple distributional model for risk projections.
Whenever possible, clinical treatment decisions should be based on prospective randomised trials, but in the absence of those, a systematic literature review might provide the best possible evidence.
A widely held belief within the clinical community is that chronic pain is associated with cognitive impairment, despite the absence of a definitive systematic review or meta-analysis on the topic.
These considerations and the absence of a prior systematic, quantitative overview of pharmacogenetic research was the motivation for the current study.
More than half (17/30) of the ERG reports explicitly criticised the conduct of the systematic review within the MS, for example, the quality of the searching, screening or quality assessment processes, the definition or application of inclusion criteria, the presence of errors or failure to perform meta-analyses or even the complete absence of a formal systematic review.
