Skip to content

dci

Calculate the Dendritic Connectivity Index in River Networks

v1.0.3 · Feb 26, 2026 · MIT + file LICENSE

Description

Calculate and analyze ecological connectivity across the watercourse of river networks using the Dendritic Connectivity Index.

Downloads

CRAN

213

Last 30 days

20878th

633

Last 90 days

2.3K

Last year

Trend: +23.8% (30d vs prior 30d)

r2u CRAN

10

Last 30 days

36

Last 90 days

161

Last year

Trend: -41.2% (30d vs prior 30d)

CRAN Check Status

13 OK
Show all 13 flavors
Flavor Status
r-devel-linux-x86_64-debian-clang OK
r-devel-linux-x86_64-debian-gcc OK
r-devel-linux-x86_64-fedora-clang OK
r-devel-linux-x86_64-fedora-gcc OK
r-devel-windows-x86_64 OK
r-oldrel-macos-arm64 OK
r-oldrel-macos-x86_64 OK
r-oldrel-windows-x86_64 OK
r-patched-linux-x86_64 OK
r-release-linux-x86_64 OK
r-release-macos-arm64 OK
r-release-macos-x86_64 OK
r-release-windows-x86_64 OK

Check History

OK 13 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Jun 9, 2026
ERROR 12 OK · 0 NOTE · 0 WARNING · 1 ERROR · 0 FAILURE Jun 8, 2026
ERROR r-devel-linux-x86_64-debian-gcc

package dependencies

Packages required but not available: 'tidygraph', 'sfnetworks'

See section ‘The DESCRIPTION file’ in the ‘Writing R Extensions’
manual.
OK 13 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE May 6, 2026
ERROR 12 OK · 0 NOTE · 0 WARNING · 1 ERROR · 0 FAILURE May 4, 2026
ERROR r-devel-windows-x86_64

examples

Running examples in 'dci-Ex.R' failed
The error most likely occurred in:

> ### Name: river_net
> ### Title: Create a 'river_net' Object
> ### Aliases: river_net
> 
> ### ** Examples
> 
> riv_in <- import_rivers(yamaska_rivers, quiet = TRUE)
> bar_in
...[truncated]...
arge river networks it may be better to specify a smaller number of
> # correction sweeps.
> yam_net <- river_net(rivers = riv_in, barriers = bar_in,
+ outlet = out_in, max_iter = 3)
Iteration 1:
36 divergences corrected.
4 complex confluences found.
OK 14 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Apr 24, 2026
ERROR 13 OK · 0 NOTE · 0 WARNING · 1 ERROR · 0 FAILURE Apr 20, 2026
ERROR r-release-windows-x86_64

examples

Running examples in 'dci-Ex.R' failed
The error most likely occurred in:

> ### Name: import_points
> ### Title: Prepare point data for connectivity analyses
> ### Aliases: import_points
> 
> ### ** Examples
> 
> import_points(yamaska_barriers, type = "bars")
OK 14 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Apr 3, 2026
ERROR 13 OK · 0 NOTE · 0 WARNING · 1 ERROR · 0 FAILURE Apr 2, 2026
ERROR r-devel-windows-x86_64

examples

Running examples in 'dci-Ex.R' failed
The error most likely occurred in:

> ### Name: enforce_dendritic
> ### Title: Enforce dendritic river topology
> ### Aliases: enforce_dendritic
> 
> ### ** Examples
> 
> # Import rivers
> rivers_in <- import_rivers(yamaska_rivers, quiet = TRUE)
> 
> # Correct errors automatically
> rivers_cor <- enforce_dendritic(rivers_in, correct = TRUE)
Iteration 1:
36 divergences corrected.
4 complex confluences found.
OK 14 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Mar 30, 2026
ERROR 13 OK · 0 NOTE · 0 WARNING · 1 ERROR · 0 FAILURE Mar 18, 2026
ERROR r-devel-windows-x86_64

examples

Running examples in 'dci-Ex.R' failed
The error most likely occurred in:

> ### Name: import_points
> ### Title: Prepare point data for connectivity analyses
> ### Aliases: import_points
> 
> ### ** Examples
> 
> import_points(yamaska_barriers, type = "bars")
OK 14 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Mar 10, 2026

Dependency Network

Dependencies Reverse dependencies rlang dplyr magrittr units sf tidygraph sfnetworks igraph tidyselect dci

Version History

3 tracked
new 1.0.3 Mar 10, 2026
updated 1.0.3 ← 1.0.2 diff Feb 25, 2026
new 1.0.2 Jun 12, 2025