The phrase "a grouping of samples" is correct and usable in written English.
It can be used when referring to a collection or set of samples that are organized together for analysis or comparison.
Example: "In our study, we collected a grouping of samples from various locations to assess the environmental impact."
Alternatives: "a collection of samples" or "a set of samples".
However, nMDS analysis revealed a grouping of samples by sites that was confirmed by the ANOSIM test (Global R = 0.576, p<0.05).
We could explain the reasons why the overall call rate decreases, and why the concordance rate increases for these 12 samples in a grouping of samples greater than 48 by means of characteristic properties of the Birdseed algorithm and minor allele frequency of each SNP.
As expected Ahvaz and Hamedan, which have been shown to harbour predominantly M. m. domesticus matrilines [ 21], clustered with M. m. domesticus on one side and Khakh-Qaene and Iran North-East (a grouping of samples from the Mashhad region [ 26]) with M. m. musculus.
Epoxy resin was applied to a group of samples as a bond coat after the final TS coating.
Combining them together and incorporating MRC over a group of samples, the final estimate of is given as follows: (28).
Averaging over a group of samples and replacing with its estimate establishes the final estimate as shown in (17).
Component planes can be regarded as an analogue of loadings plots, allowing one to determine which variables, if any, are markers (or diagnostic) of a group of samples.
Petrophysical and petrographical examinations were done for a group of samples collected from San El-Hagar-1 well which is located to the East of the Nile Delta.
Alpha diversity is mainly used to estimate the diversity of a microbial community within a group of samples, through a series of statistical indices such as Chao1, ACE, Shannon, Simpson, Good's coverage, and so on (Navas-Molina et al. 2013).
Student's t tests were used to test if a CpG site was hypomethylated in a group of samples, or if two groups of samples had identical hypomethylation status at a given CpG site.
Thus, a group of samples was selected, for which sex could be inferred (in this case male sex) with a high degree of confidence.
