Sentence examples for often difficult to estimate from inspiring English sources

But it offered no guideline on how to value intangible assets and it added this caveat: "Solving the problem is complicated by the characteristics of an intangible asset: its lack of physical qualities makes evidence of its existence elusive, its value is often difficult to estimate, and its useful life may be indeterminable".

This has been used successfully in many different studies that have discretised continuous variables but it has been pointed out that it is often difficult to estimate the mutual information with such an approach (Kraskov et al.2004).2004

With the increasing sophistication of today's software systems, it is often difficult to estimate the overall quality of underlying software components with respect to attributes such as complexity, utility, and extensibility.

This heterogeneity is often difficult to estimate the wide range of incidences and the randomness at which they occur; however, their probability of occurrences may be encompassed in a stochastic procedure linking the likelihood of the existence of a combination of a set of controlling parameters on the performance of the wellbore.

The relationship between air emissions of toxics and human exposure is complex and often difficult to estimate.

Clinically a hypoxic-ischaemic insult is unpredictable, usually occurring in the perinatal period, but the exact timing and duration are often difficult to estimate.

For example, in the framework of treatment effect estimation in meta-analyses with binary outcome it is often more difficult to estimate the treatment effect if there are only few studies, if events are rare, or if heterogeneity is large.

Often, it is difficult to estimate the probability distribution that describes the reference state.

The complexity and strong nonlinearity of these processes often make their dynamic behavior difficult to estimate.

In continuous analyses, full regression results are often not reported, making it difficult to estimate BMDs at appropriate values of important covariates.

Experts say it is difficult to estimate how often employers in New York retaliate against workers who file compensation claims because there is no tracking of such data.