yieldcurves: Yield Curve Fitting, Analysis, and Decomposition

Fits yield curves using Nelson-Siegel (1987) <doi:10.1086/296409>, Svensson (1994) <doi:10.3386/w4871>, and cubic spline methods. Extracts forward rates, discount factors, and par rates from fitted curves. Computes duration and convexity risk measures. Computes Z-spread and key rate durations. Provides principal component decomposition following Litterman and Scheinkman (1991) <doi:10.3905/jfi.1991.692347>, carry and roll-down analysis, and slope measures. All methods are pure computation with no external dependencies beyond base R; works with yield data from any source.

Version: 0.1.0
Depends: R (≥ 4.1.0)
Imports: cli (≥ 3.6.0), graphics, stats
Suggests: testthat (≥ 3.0.0)
Published: 2026-03-26
DOI: 10.32614/CRAN.package.yieldcurves (may not be active yet)
Author: Charles Coverdale [aut, cre]
Maintainer: Charles Coverdale <charlesfcoverdale at gmail.com>
BugReports: https://github.com/charlescoverdale/yieldcurves/issues
License: MIT + file LICENSE
URL: https://github.com/charlescoverdale/yieldcurves
NeedsCompilation: no
Language: en-US
Materials: README, NEWS
CRAN checks: yieldcurves results

Documentation:

Reference manual: yieldcurves.html , yieldcurves.pdf

Downloads:

Package source: yieldcurves_0.1.0.tar.gz
Windows binaries: r-devel: not available, r-release: yieldcurves_0.1.0.zip, r-oldrel: not available
macOS binaries: r-release (arm64): yieldcurves_0.1.0.tgz, r-oldrel (arm64): not available, r-release (x86_64): yieldcurves_0.1.0.tgz, r-oldrel (x86_64): yieldcurves_0.1.0.tgz

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