Assertion: estimate | /r/HasProperty | fraught
Facets:
value: necessarily
type: MANNER
value: with great uncertainties
type: OTHER
Source sentences:
text: Estimates for pre-modern times are necessarily fraught with great uncertainties, and few of the published estimates have confidence intervals; in the absence of a straightforward means to assess the error of such estimates, a rough idea of expert consensus can be gained by comparing the values given in independent publications.