Sentence examples for surrogate variable from inspiring English sources

Principal components (PCs) were computed using a surrogate variable approach.

Leek, J. T. & Storey, J. D. Capturing heterogeneity in gene expression studies by surrogate variable analysis.

When the correlation of the performance variable of surrogate variable exists, this article proposes a two-stage charting design to monitor either the performance variable or its surrogate variable in an alternating fashion rather than monitoring the performance variable alone.

It is more economical to monitor a surrogate variable, for example, the milliampere of the load cell.

The process is monitored by the surrogate variable until it signals an out-of-control behavior, and then a switch is made to the X̄ chart.

Additionally, the ratio of measured incoming shortwave radiation to predicted clear-sky shortwave radiation is used as a surrogate variable for cloud cover in the net longwave radiation calculation.

Numerical results show that the proposed chart is insensitive on the correlation of the performance variable and surrogate variable even when the historical information on the correlation coefficient is not very accurate.

This temperature difference is referred to as subcool and serves as a surrogate variable for liquid level height (Wilson 2015).

The 70%% canopy cover was used as a surrogate variable for selecting as similar a sample of community plots as possible to the professional plot exclusion policy.

In the absence of measures of actual forage removed by livestock and livestock group movements, a surrogate variable related to the 'intensity of use' reflects the grazing pressure on the pastures.

Secondly, Leek et al developed a method called Surrogate Variable Analysis (SVA), which examines the contribution of sources ofsignal due to unknown (surrogate) variables in high-dimensional data sets, which may confound the biological signal of interest [ 13].