subsample


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subsample

[‚səb′sam·pəl]
(analytical chemistry)
A portion taken from a sample of material for which a chemical analysis has been specified.
References in periodicals archive ?
To illustrate the differences in the latter, Table 1 reports the posterior mean values together with the 5%-95% uncertainty bands of the posterior distribution for two representative subsamples: the initial 20-year rolling-window subsample 1961-1981 and the 1991-2011 subsample featuring the Gibson paradox.
For our purposes, a, b, c, d, and e could represent five chemicals analyzed in a hypothetical NHANES subsample.
Therefore, we examined differences in subsample characteristics to determine whether each measure captured a representative sample of the client population.
The environmental urine subsample (Cycle 2) and the urine fluoride subsample (Cycle 3) had combined response rates of 54.4% and 55.6% respectively.
t-statistic Panel A: subsample 1 (01/14/2011-09/02/2011) c 241.9021 222.0302 1.0895 [SHINDEX.[sub.t-1] 0.9595 0.0729 13.1648 [SENINDEX.[sub.t-1] -0.0069 0.0032 -2.1524 Panel B: subsample 2 (09/09/2011-06/29/2012) c 583.7682 272.4279 2.1428 [SHINDEX.[sub.t-1] 0.7448 0.1236 6.0246 [SENINDEX.[sub.t] 0.0001 0.0033 0.0418 [SENINDEX.[sub.t-1] 0.0004 0.0031 0.1444 Panel C: subsample 3 (07/06/2012-10/10/2014) [SHINDEX.[sub.t-1] 0.9124 0.0364 25.0576 [SENINDEX.[sub.t-1] 0.0081 0.0038 2.1256 Panel D: subsample 4 (10/17/2014-06/05/2015) [SHINDEX.[sub.t-1] 0.9537 0.0893 10.6845 Variable p value Adj.
where N represents the amount of subsamples that determine attitude algorithms and h represents subsample time.
Caption: FIGURE 1: Mean values (ng per subsample) of selected PACs measured studied extraction methods.
Because of the large size of the commercial catch, for taxa other than fish and elasmobranchs, a subsample of mean ([+ or -] SE) weight 38.03 [+ or -] 0.74 kg was removed to quantify the composition of the invertebrate bycatch.
Our second result finds that returns for the high-growth subsample are quite low.
Participants in subsample 2 were 249 undergraduates with a major of non-kinesiology (141 male, 108 female) such as Biology, Business, Communications, Criminal Justice, Information Systems, Nursing, English, etc..