Sentence examples for performance is uncertain from inspiring English sources

Its price has risen sharply over the last year, but its future performance is uncertain.

Chemical companies often use options to reserve the right to play when emerging technologies' performance is uncertain.

However, their pollutant removal performance is uncertain, with respect to varying filter depth, and over time.

System performance is uncertain due to a lack of information on factors (such as siting, design, age, nature and level of maintenance, proximity to a watercourse) that affect nutrient retention rates.

However, the benefit of such imputation to estimate model performance is uncertain.

The directionality of the association between substance use and poor school performance is uncertain (Bryant et al. 2000).

However, in an article for the "piracy issue" of Screen International magazine, film critic John Hazelton was doubtful of this explanation, writing that the film's initial performance was "uncertain" as the outbreak of swine flu in territories with the worst piracy problems means that other territories did not compare at all.

The biological implications of these differences in performance are uncertain, but may be useful in planning future comparisons between populations.

Two performances of "Giselle" have been canceled, and the coming weekend performances are uncertain.

Some of the performances are uncertain, too, although you believe in the inner hurricane of Bridget Collins's Antigone, and Francis Kelly persuades as Creon, the ruler knowing he will live for ever with the consequences of his failure.

Whether these quality measures correlate with one another and the degree to which hospital provider rankings shift on the basis of the performance metric is uncertain.