The phrase "a complementary sample" is correct and usable in written English.
It can be used in contexts where you are referring to a sample that enhances or completes another sample, often in research or analysis.
Example: "In our study, we collected a complementary sample to ensure a more comprehensive understanding of the data."
Alternatives: "an additional sample" or "a supplementary sample".
A new type of compressive spectroscopy technique employing a complementary sampling strategy is reported.
This layer proposes a number of data partitioning approaches and a complementary sampling technique, which give the user ample choice on how to reach the desired compromise.
The objective of this study was to develop a geostatistical procedure for the 3-D analysis of a multi-element contamination in order to: 1) optimize the location and the number of sampling stations during a complementary sampling campaign, 2) estimate the volume of contaminated soil for a given data set and 3) quantify the uncertainty of this estimate.
Furthermore, this analysis invariably represents only a fraction of the total SEP; as a comprehensive profile would require the use of complementary sample processing methods, standards, and controls.
We propose a new algorithm that tests only the m−1 pairs of adjacent ordered complementary sample means.
People were just loading up their complementary sample bag, taking it back to the coat check area, dumping their booty out into wheelie suitcases, and going back for more free stuff.
A more comprehensive survey of the SEP composition could be achieved with the addition of complementary sample processing methods.
χ Tests were used to assess differences between comparison groups, for example, the at-risk sample and the complementary sample of NESARC participants who did not report low mood.
28 Weighted percentages and SEs measured the distribution of the covariates (demographic characteristics and lifetime psychiatric variables) reported at wave 1 for the sample with low mood and for the complementary sample of persons with no low mood.
