J.J. de Gruijter

Random sampling or geostatistical modelling? Choosing between design-based and model-based sampling strategies for soil (with discussion)

D.J. Brus, J.J. de Gruijter · Geoderma · 1997 · 399 citations

Soil Pedology, Model-based Sampling Strategies, Engineering +11

A continuum approach to soil classification by modified fuzzy k‐means with extragrades

Alex B. McBratney, J.J. de Gruijter · Journal of Soil Science · 1992 · 292 citations

Engineering, Land Use, Land Degradation +17

An R package for spatial coverage sampling and random sampling from compact geographical strata by k-means

D.J.J. Walvoort, D.J. Brus, J.J. de Gruijter · Computers & Geosciences · 2010 · 213 citations · Full text

Spatial Science, R Package, Spatial Coverage Sampling +8

Model-free estimation from spatial samples: A reappraisal of classical sampling theory

J.J. de Gruijter, Cajo J. F. ter Braak · Mathematical Geology · 1990 · 155 citations

Quantitative Spatial Model, Engineering, Spatial Statistical Analysis +9

Continuous soil maps — a fuzzy set approach to bridge the gap between aggregation levels of process and distribution models

J.J. de Gruijter, D.J.J. Walvoort, P.F.M. van Gams · Geoderma · 1997 · 129 citations

Geotechnical Engineering, Engineering, Continuous Soil Maps +11