Key challenges of biopsy-based determination of prostate cancer aggressiveness include tumour heterogeneity, biopsy-sampling error, and variations in biopsy interpretation. The resulting uncertainty ...

Journal of the Royal Statistical Society. Series C (Applied Statistics), Vol. 42, No. 4 (1993), pp. 585-601 (17 pages) In this paper two-dimensional systematic sampling of land use is considered. Data ...

The results of polls usually contain a statement that the figures are subject to a margin of error of plus or minus 2 percentage points, 3 percentage points or ...