Sentence examples for difficult to determine with confidence from inspiring English sources

The nature and extent of other contemporary forms of literate activity are difficult to determine with confidence.

However, the cov values of soil parameters are difficult to determine with confidence due to the limited availability of high-quality data and inherent spatial variability.

With this much "normal" churning within labor markets, is it any wonder that it is difficult to determine with confidence how many layoffs a regulation, or a set of regulations, might cause?

Consequently, the role of specific proteins is relatively difficult to determine with confidence on the basis of mRNA expression or genomic data alone [ 1, 2].

Eleven protein genes were considered ambiguous; although they showed obvious similarity to known genes or protein families, orthology was difficult to determine with confidence.

In addition, it is likely that the accuracy and precision of the 4βHC assay would make the identification of these relatively small changes difficult to determine with any degree of confidence, making the potential for detecting false-negatives or false-positives unacceptably high.

It is also difficult to determine with certainty any effect of publication bias or heterogeneity in such a small sample of studies, as indicated by the wide confidence intervals shown in the I test for heterogeneity.

It's difficult to determine with any degree of certainty.

However, the allomorphic change to Iβ from Iα is difficult to determine with diffraction patterns.

It will probably take several days to determine with confidence if the explosion was in fact nuclear, the official said.

Its presence in the tropics is difficult to determine due to confusion with other hammerhead species.