covariate

plural covariates

1. mathematicsA variable that is possibly predictive of the outcome under study.

   Mahalanobis used a visual method of approximating the standard error of the income at all the fractiles of the covariate for the same graph by taking two independently selected "interpenetrating subsamples" and obtaining a graph for each of the subsamples besides the combined sample.

   2011 January 31, Anil K. Bera, Aurobindo Ghosh, Zhijie Xiao, “FRACTILES ON QUANTILE REGRESSION WITH APPLICATIONS”, in Mathematics Subject Classification, archived from the original on 12 Sep 2025, page 2

   1 more example

   On the basis of these analogies, any inference of a population structure driven by selective sweeps would require good longitudinal data from natural bacterial populations, as well as observations of episodic crashes in diversity causally associated with genetic changes and not associated with changes in ecological covariates.

   2009 February 6, Christophe Fraser et al., “The Bacterial Species Challenge: Making Sense of Genetic and Ecological Diversity”, in Science, volume 323, number 5915, →DOI, pages 741–746