Example sentences for: variability

How can you use “variability” in a sentence? Here are some example sentences to help you improve your vocabulary:

  • Although Affymetrix Chips can each measure the expression of over 12,000 genes and ESTs, the true transcript level is confounded by a substantial amount of noise and variability induced by both the large number of observations and the wide range of gene expression values [ 7 ] . Microarrays are sensitive to noise from many sources including the manufacturing process and the experimental (RNA isolation, labeling, hybridization, staining, washing and scanning) processes.

  • Another source of variability not encountered in this study of Caucasians could include racial pigmentation.

  • Reproducibility of the data was further evaluated by considering standard deviations for individual genes and identifying genes with the highest variability across replicates.

  • An evolving method of analysis is to define significant changes in gene expression in terms of a particular P -value after performing appropriate statistical tests that take into account the variability of gene expression data and sample size [ 6 7 8 9 10 ] . However, care must be taken to use appropriate statistical tests, P -value thresholds for significance, and sufficient n , otherwise, variance-based methods, as with less rigorous fold-change approaches, will generate high error rates.

  • Third, for continuous outcomes, we calculated (a) the mean matched difference for twin pairs discordant on adult socioeconomic position, setting the twin with the most socioeconomic resources as the baseline, so as to determine both the magnitude and direction of differences in the outcomes among these pairs, and (b) the mean matched absolute difference for twin pairs in each socioeconomic stratum, to ascertain the variability of outcomes among the twin pairs both discordant and concordant on adult socioeconomic position.


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