Package: fungible
Version: 2.4.7
Date: 2026-04-06
Title: Psychometric Functions from the Waller Lab
Authors@R: c(
    person("Niels", "Waller", role = c("aut", "cre"), email="nwaller@umn.edu" ),
	person("Justin", "Kracht", role = "ctb"),
    person("Jeff","Jones", role = "ctb"),
    person("Casey","Giordano", role = "ctb"),
	person("Hoang V. Nguyen", role="ctb"))
Maintainer: Niels Waller <nwaller@umn.edu>
Depends: R (>= 4.5.0)
Imports: crayon (>= 1.4.1), clue, CVXR (>= 1.8.2), DEoptim, GA (>=
        3.2.1), GPArotation, LaplacesDemon, lattice, MASS, MBESS (>=
        4.8.0), MCMCpack, methods, mvtnorm, nleqslv, pbmcapply, Rcsdp,
        RSpectra, sem (>= 3.1-11), utils, graphics, grDevices
Description: Computes fungible coefficients and Monte Carlo data. Underlying theory for these functions is described in the following publications:
    Waller, N. (2008). Fungible Weights in Multiple Regression. Psychometrika, 73(4), 691-703, <DOI:10.1007/s11336-008-9066-z>.
    Waller, N. & Jones, J. (2009). Locating the Extrema of Fungible Regression Weights.
    Psychometrika, 74(4), 589-602, <DOI:10.1007/s11336-008-9087-7>.
    Waller, N. G. (2016). Fungible Correlation Matrices:
    A Method for Generating Nonsingular, Singular, and Improper Correlation Matrices for
    Monte Carlo Research. Multivariate Behavioral Research, 51(4), 554-568.
    Jones, J. A. & Waller, N. G. (2015). The normal-theory and asymptotic distribution-free (ADF)
    covariance matrix of standardized regression coefficients: theoretical extensions
    and finite sample behavior. Psychometrika, 80, 365-378, <DOI:10.1007/s11336-013-9380-y>.
    Waller, N. G.  (2018).  Direct Schmid-Leiman transformations and rank-deficient loadings matrices.  Psychometrika, 83, 858-870. <DOI:10.1007/s11336-017-9599-0>.
License: GPL (>= 2)
Encoding: UTF-8
NeedsCompilation: no
RoxygenNote: 7.3.3
Suggests: rmarkdown, knitr, covr (>= 3.5.1), testthat (>= 3.0.0),
Config/testthat/edition: 3
VignetteBuilder: knitr
LazyData: true
Packaged: 2026-04-06 17:50:48 UTC; nielswaller
Author: Niels Waller [aut, cre],
  Justin Kracht [ctb],
  Jeff Jones [ctb],
  Casey Giordano [ctb],
  Hoang V. Nguyen [ctb]
Repository: CRAN
Date/Publication: 2026-04-07 05:10:50 UTC
Built: R 4.5.3; ; 2026-05-14 20:06:53 UTC; windows
