SSN2
The facts below are what the maker publishes about SSN2, checked and dated. Our editors have not written about it yet.
The facts
Each one read from SSN2's own pages, with the date it was checked.
What it does
- Data handling
- SSN2 imports stream edges, observed sites, and optional prediction sites from a non-proprietary .ssn folder.checked 5 Oct 2026
- Dependencies
- SSN2 imports sf for spatial data handling and spmodel for modeling functions, among other R packages.checked 5 Oct 2026
- Diagnostics
- Available functions include model augmentation, influence diagnostics, leave-one-out cross-validation, and fitted-model diagnostic plots.checked 5 Oct 2026
- Installation
- The site documents installation from CRAN and GitHub.checked 5 Oct 2026
- Intended use
- The package is designed for users fitting spatial stream network models to stream data, such as modeling stream phenomena and predicting values across a network.checked 5 Oct 2026
- License
- The project is licensed under the GNU General Public License, GPL-3.checked 5 Oct 2026
- Modeling
- It fits spatial linear models, including explanatory variables, using restricted or unrestricted maximum likelihood.checked 5 Oct 2026
- Model types
- It supports linear and generalized linear spatial stream network models.checked 5 Oct 2026
- Predictions
- The package fits and summarizes spatial stream network models and predicts at unobserved locations (Kriging).checked 5 Oct 2026
- Preprocessing
- The documentation recommends the SSNbler R package to prepare input data for SSN2.checked 5 Oct 2026
- Purpose
- SSN2 is an R package for spatial statistical modeling and prediction on stream networks, including models based on in-stream distance.checked 5 Oct 2026
- Spatial components
- Its models can include tail-up, tail-down, Euclidean, and spatially independent nugget error components.checked 5 Oct 2026
- Support
- Users can get help by opening a GitHub issue, emailing the SSN support team, or posting on Stack Overflow or Cross Validated.checked 5 Oct 2026
Where it runs
- Mapping
- The package includes mapping and other graphical functions, and its introduction uses ggplot2 and sf for visualizations.checked 5 Oct 2026
Alternatives to SSN2
- 1
Felt
Free planAndroidiOSWebAPI8.2From $199 a month - 2
NASA WorldWind
Free planOpen sourceAndroidWebAPILinux7.9Free plan - 3
Maptitude
AndroidiOSWebAPI7.8From $795 a year - 4
Mapbox Studio
Free planAndroidiOSWebAPI7.7Free plan - 5
StatSilk
Free planAndroidiOSWebAPI7.7From $495 a year - 6
GIS Cloud
Free planAndroidiOSWebAPI7.5From $5 a month