Sentence examples for data are difficult to validate from inspiring English sources
Large area land cover products generated from remotely sensed data are difficult to validate in a timely and cost effective manner.
However, the results presented here are only as good as the population and GDP data on which they are based, as well as the multi-hazard intensity estimation at the grid scale since the availability of global data is limited and the quality of disaster and exposure data are difficult to validate.
However, there are still some pending issues about the accuracy (and validity) of the VHF radar-derived turbulence parameter estimates, because the data processing methods used are difficult to validate and because the VHF radar backscatter mechanisms are complex and still not fully understood (e.g., Röttger and Larsen 1990; Hocking 2011).
While we have validated some of our data on personal health practice, 43 rates of binge drinking are difficult to validate and are likely to be underestimated because of bias due to social desirability, particularly among health professionals.
Given the nature of the data, which are highly dimensional and describe a complex system, the resulting datasets are difficult to validate, as differentiation between spurious and real correlations is hindered by complex interaction patterns.
McGee pointed out technical difficulties of studies assessing patients' reactions to futility: outcome variables are difficult to define and questionnaires are difficult to validate [ 27].
Veracity comes next: big data can be difficult to validate [ 17, 26– 28].
During data entry, there are some built-in data validation steps, but despite this it is difficult to validate all of the data entered and we have to accept that there might be some errors.
Some researchers consider the phenomenological approach to be incompatible with a focus group method because it is difficult to validate the data with individual informants [ 44].
