Routines to write, simulate, and validate stock-flow consistent (SFC) models. The accounting structure of SFC models are described in Godley and Lavoie (2007, ISBN:978-1-137-08599-3). The algorithms implemented to solve the models (Gauss-Seidel and Broyden) are described in Kinsella and O'Shea (2010) <doi:10.2139/ssrn.1729205> and Peressini and Sullivan (1988, ISBN:0-387-96614-5).

Implementation of all possible forms of 2x2 and 3x3 space-filling curves, 
    i.e., the generalized forms of the Hilbert curve <https://en.wikipedia.org/wiki/Hilbert_curve>, 
    the Peano curve <https://en.wikipedia.org/wiki/Peano_curve> and the Peano curve in the 
    meander type (Figure 5 in <https://eudml.org/doc/141086>). It can generates nxn curves expanded from
    any specific level-1 units. It also implements the H-curve and the three-dimensional Hilbert curve.

A collection of pre-optimized space-filling designs, for up to ten 
    parameters, is contained here. Functions are provided to access designs 
    described by Husslage et al (2011) <doi:10.1007/s11081-010-9129-8> and
    Wang and Fang (2005) <doi:10.1142/9789812701190_0040>. The design types 
    included are Audze-Eglais, MaxiMin, and uniform.

Build a constrained high quality Delaunay triangulation from simple 
   features objects, applying constraints based on input line segments, and 
   triangle properties including maximum area, minimum internal angle. The 
   triangulation code in 'RTriangle' uses the method of Cheng, Dey and Shewchuk 
   (2012, ISBN:9781584887300). For a low-dependency alternative with low-quality 
   path-based constrained  triangulation see <https://CRAN.R-project.org/package=decido> and for high-quality configurable
    triangulation see <https://github.com/hypertidy/anglr>. Also consider comparison
    with the 'GEOS' lib which since version 3.10.0 includes a low quality 
    polygon triangulation method that starts with ear clipping and refines to Delaunay.

An interface to 'spdep' to integrate with 'sf' objects and the 'tidyverse'.