Sentence examples for been challenged for their from inspiring English sources

GWI's figures have previously been challenged for their accuracy, with researchers inside China claiming there is not enough reliable data to extrapolate an accurate estimate of Facebook users.

Much effort has been made to develop gene-based predictors, and some have been challenged for their clinical utility (Sparano, 2006; Cardoso et al, 2007).

Survival analytic methods, such as Cox regression analysis, have recently been challenged for their appropriateness to evaluate ICU-mortality: the main criticism applies to the fact that in order to yield correct results, censoring must be independent of the outcome of interest (i.e. mortality) [ 33- 36].

Palin said the two should be challenged for their "flip-flopping".

In 2014, books were challenged for their content by parents (35%), unidentified (24%) and patrons (23%) in the US.

Recently the U.S. National Toxicology Program (NTP) sponsored a comparative exercise in which different prediction approaches (both biologically and chemically based) were challenged for their predictive abilities of rodent carcinogenicity of a common set of chemicals.

The Coyotes are challenging for their first playoff spot since 2002.

"A growing number of local authorities already offer young people the choice to stay, but with little financial support it can be challenging for their foster families.

However, the optimal antigen designing to the SEPs is challenging for their small size.

McLaren say claiming a podium finish at this weekend's British Grand Prix will be "challenging" for their drivers.

Costa could have moved to Liverpool last summer - and it is unlikely an Atletico side without him would be challenging for their surprise double.