Interpolation of Data with Variable Spatial Support R package rtop version 0.6-17 CRAN Task View: Environmetrics (https://CRAN.R-project.org/view=Environmetrics) CRAN Task View: Hydrology (https://CRAN.R-project.org/view=Hydrology) CRAN Task View: MissingData (https://CRAN.R-project.org/view=MissingData) CRAN Task View: Spatial (https://CRAN.R-project.org/view=Spatial) Data with irregular spatial support, such as runoff related data or data from administrative units, can with 'rtop' be interpolated to locations without observations with the top-kriging method. A description of the package is given by Skøien et al (2014) <doi:10.1016/j.cageo.2014.02.009>. Software Imports: gstat, graphics, stats, methods, utils, grDevices, sf, units, sp Suggests: parallel, intamap, spacetime, data.table, reshape2 Jon Olav Skøien <jon.skoien@gmail.com> Comprehensive R Archive Network (CRAN) Jon Olav Skøien [aut, cre], Qingyun Duan [ctb] (For the original FORTRAN code of SCE-UA, translated and modified to R in this package.) GPL (>= 2) 2025-08-27 application/tgz https://CRAN.R-project.org/package=rtop doi:10.32614/CRAN.package.rtop