The phrase "a significant cluster" is correct and usable in written English.
It can be used when referring to a notable grouping or collection of items, data points, or phenomena that are closely related or similar in some way.
Example: "In the study, researchers identified a significant cluster of galaxies that exhibited unusual gravitational behavior."
Alternatives: "a notable group" or "a considerable aggregation".
Middlesex County, which includes Piscataway, already has a significant cluster of positive findings in birds and mosquitoes.
The risk surface showed a significant cluster of FIV in northwestern Montana.
For multiple comparisons, e.g. when comparing electrode × frequency × time pairs, we averaged effect sizes of all t-tests within a significant cluster to estimate R e 42,62.
There is a significant cluster of politicians in both parties who would like to escape the iron grip of reflexive factionalism.
The difference wave was specifically calculated over the time period where we found a significant cluster during the source space analysis.
Comparing ERPs for the different semantic categories, we found a significant cluster distinguishing the recall of animate from inanimate objects over frontal electrodes (Pcorr = 0.032) between 1781 and 1735 ms before object retrieval, with a maximum difference at −1770 ms (see Fig. 5b).
He also noted that Amazon already has a significant cluster of workers in the Chicago market, between its area distribution centers and at its corporate offices at 227 West Monroe.
a The images at threshold of z = 1.5 show a widespread hyperperfusion in both occipital cortices but also a significant cluster in the right temporal lobe which was interpreted as the ictal onset zone with propagation to both occipital cortices.
Thus, a significant cluster could be identified from an area that was in the lowest quartile at time period 1 (baseline) and the lowest quartile at time period 3 (4 months), but not at time period 2 or 4, and so on.
A significant cluster has been linked to axonal guidance.
Covariate analysis revealed a significant cluster of activity in the dorsal ACC (Brodmann's area 24) that was positively correlated with LEAS scores.
