Sentence examples for data are patchy and from inspiring English sources
But historical cross-country comparisons are difficult to make; the data are patchy, and different countries measure differently.
However, Glover has found that the data are patchy and the gaps need to be filled before the policy-makers will focus on the problem.
But Janet Ranganathan of the World Resources Institute in Washington, D.C., notes that the self-reported data are patchy and sometimes unreliable, so she cautions that it's too soon to predict an end to deforestation.
Child protection data are patchy and often unreliable and there is a general lack of evidence about child protection approaches that have been proven to work.
Histological and ultrastructural data support this view, but such data are patchy and currently available only for a limited number of taxa [ 4, 8, 9, 12, 69].
Since trafficking is run by illegal gangs and the communities involved are poor and remote, official data is patchy and probably underestimates the scale of the problem, according to experts.
They noted that although data was patchy and numbers remained comparatively low, a number of national surveys indicated increasing NPS use among problem drug users, who were often taking them in conjunction with heavy use of other drugs such as heroin and alcohol.
Kevin Trenberth of America's National Centre for Atmospheric Research (NCAR), who co-ordinated the relevant part of the 2007 IPCC report, claims the study is skewed by the way the authors calculate the influence of humidity, wind and clouds on which data are patchy.
For the majority of animal communities, historical ecological data are patchy at best, limiting our ability to establish conservation and remediation goals that incorporate dynamics from past decades and centuries [1].
