The phrase "a marginal relation" is correct and usable in written English.
It can be used to describe a relationship that is not central or significant, often in academic or analytical contexts.
Example: "The study revealed a marginal relation between the two variables, suggesting that their connection is weak."
Alternatives: "a minor relationship" or "a peripheral connection".
In multivariate data analysis, individual characteristics (e.g. age, body mass index) and a physical load index (derived from combining manual materials handling and awkward postures) were significantly associated with LBP outcomes, while psychosocial work factors (e.g. job decision, job support) showed a marginal relation to LBP.
Some studies have shown only a marginal relation between kidney function and holoTC and total vitamin B-12 concentrations (9, 45).
For total cholesterol and for alcohol intake, there was a sex interaction, with total cholesterol being predictive of apnea only in men (P < 0.002); for alcohol, there was only a marginal relation in either sex.
That's certainly the impression given by the music, too: where The Next Day was comfortingly couched in a range of sounds and styles familiar from his earlier albums, Blackstar is a work of sonic extremity with only marginal relation to his past at all.
A reason for this difference between ASEK and our results may be Wilhelmsson's function-form combined with the fact that the study did not control for other negative effects of proximity to roads; that is, the marginal relation between costs and noise is probably overestimated at high noise levels using the current calculation values, a problem also noticed in ([72], p. 808).
In addition, the Saharan desert has been a marginal focus for ethnoarchaeological research on pastoralism, especially in relation to other areas, and this study makes a major contribution to reducing this deficit.
A marginal increase in mean creatinine was observed in our study, and the treatment relation could be confirmed by the fact that the same increase was seen in study phase 2 in dogs of the former low-dose group.
Previous studies have reported a marginal effect of offset on the positional accuracy of geocoding [ 7, 15], but this has not been addressed in relation to traffic related exposure estimates.
Later came co-firing, a marginal change.
Doping is not a marginal gain.
