Analytical Methods for Stream DAGs R package streamDAG version 1.6 Provides indices and tools for directed acyclic graphs (DAGs), particularly DAG representations of intermittent streams. A detailed introduction to the package can be found in the publication: "Non-perennial stream networks as directed acyclic graphs: The R-package streamDAG" (Aho et al., 2023) <doi:10.1016/j.envsoft.2023.105775>, and in the introductory package vignette. Software Depends: R (>= 4.0), igraph Imports: asbio, graphics, stats, plotrix, missForest Suggests: ggplot2, sf, knitr, rmarkdown, bookdown, RColorBrewer, devtools, ggrepel Ken Aho <ahoken@isu.edu> Comprehensive R Archive Network (CRAN) Ken Aho [aut, cre], Arya Legg [dtc, ctb], Rob Ramos [dtc], Maggi Kraft [dtc], Charles T. Bond [dtc], Rebecca L. Hale [dtc] GPL (>= 2) 2025-10-16 application/tgz https://CRAN.R-project.org/package=streamDAG doi:10.32614/CRAN.package.streamDAG