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swcEcon: Economic Analysis of Soil and Water Conservation Measures in Watersheds

Provides functions and benchmark datasets for the economic appraisal of soil and water conservation (SWC) measures in watershed development projects. Implements benefit-cost ratio (BCR), net present value (NPV), internal rate of return (IRR) via the bisection method of Brent (1973, ISBN:9780130223715), modified BCR, marginal rate of return using the CIMMYT (1988, ISBN:9686127127) method, payback period, soil loss economic valuation via the Universal Soil Loss Equation of Wischmeier and Smith (1978, ISBN:0160016258), groundwater recharge valuation, employment generation ratio, sensitivity analysis, switching value analysis, and Monte Carlo simulation. Six datasets are included: state-wise BCR benchmarks from NABARD (2019) watershed evaluations, USLE erodibility parameters for Indian soil orders from NBSS and LUP, rainfall erosivity for twenty Indian districts from IMD data, SWC unit cost norms from PMKSY-WDC (GoI 2015), and two hypothetical datasets for illustration. Methods follow Gittinger (1982, ISBN:9780801825439) and Squire and van der Tak (1975, ISBN:9780801816697).

Version: 0.1.0
Depends: R (≥ 4.1.0)
Imports: stats, graphics, grDevices, utils
Suggests: testthat (≥ 3.0.0), knitr, rmarkdown, covr
Published: 2026-04-16
DOI: 10.32614/CRAN.package.swcEcon (may not be active yet)
Author: Sadikul Islam ORCID iD [aut, cre]
Maintainer: Sadikul Islam <sadikul.islamiasri at gmail.com>
License: GPL (≥ 3)
NeedsCompilation: no
Language: en-US
Materials: NEWS
CRAN checks: swcEcon results

Documentation:

Reference manual: swcEcon.html , swcEcon.pdf
Vignettes: Economic Analysis of SWC Measures using swcEcon (source, R code)

Downloads:

Package source: swcEcon_0.1.0.tar.gz
Windows binaries: r-devel: not available, r-release: not available, r-oldrel: not available
macOS binaries: r-release (arm64): not available, r-oldrel (arm64): not available, r-release (x86_64): not available, r-oldrel (x86_64): not available

Linking:

Please use the canonical form https://CRAN.R-project.org/package=swcEcon to link to this page.

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.
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