Sentence examples for existence of sample from inspiring English sources

First, the sample selectivity probit model is preferred to univariate probit models, since the results indicate the existence of sample selection bias if the second-stage equations were estimated alone.

The analysis of the combined GenBank and our novel data (Table S2) indicated the existence of sample bias (p<0.05) as shown in Figure 1 (case AR, for the entire symbols definition see Methods section).

Distribution of cations among the two interstitial sites (tetrahedral and octahedral sites) has been estimated by analysing the powder X-ray diffraction patterns by employing Rietveld refinement technique, and the results reveal the existence of samples as a mixed type spinel with cubic structure.

The existence of sampling for node i at time t is defined as: {f}_vleft(Xleft i,tright)right)=left{begin{array}{c}1,kern1.75em mathrm{X}left(mathrm{i},mathrm{t}right)ne mathrm{null} 0,kern1.75em mathrm{X}left(mathrm{i},mathrm{t}right)=mathrm{null}end{array}right.. (1).

Likewise, existence of samples with a very high assignment percentage probability does not rule out an interspecific origin.

In the case of cadmium, tobit regression was used due to the existence of samples below the detection limit.

These primer dimers are the putative reason for the existence of samples for which no positive single clone could be found.

The STRUCTURE results, with 68 % of accessions clearly assigned to one group, recognized the genetic structure of Georgian germplasm (sativa and sylvestris), while the existence of samples showing an unclear assignation (less than 75%% of probability, Additional file 2: Table S2) could reflect the events of genetic introgression between wine-growing areas of Georgia.

Transcriptome assembly may benefit from the existence of multiple sample RNA-Seq data, but may also be confused by inherent RNA-Seq errors, which in turn affects downstream differential analysis.

For processes governed by linear Itō stochastic differential equations of the form dX t)="[a(t)+b(t X t)]dt+σ(t dW t), we discuss the existence of optimal sampling designs with strictly increasing sampling times.

The conditions for the existence of a sampled-data feedback control and a multirate sampled-data optimal control for the continuous-time uncertain Markovian jump systems are also obtained.