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The dci package provides an R interface to the Dendritic
Connectivity Index (DCI) allowing for the analysis of longitudinal
connectivity in river networks. Given a set of spatial data representing
river lines, barrier point locations and the location of the target
watershed’s outlet the dci package provides tools to
calculate ecological connectivity with the DCI. There are options to
calculate the potamodromous or diadromous form of the DCI as well as
options to consider a distance threshold and/or weights to be applied to
river lengths.
This package extends the tidy representation of geospatial network data from the sfnetworks package. This provides access to a rich set of further network analysis tools from the tidygraph package as well as data manipulation from the tidyverse family of packages.
To install the development version of the dci package
from this github page follow these instructions:
require(devtools)
install_github("aarkilanian/dci")These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.