Package: newmark
Type: Package
Title: Uncertainty Analysis in Dynamic Site and Slope Response
Version: 1.3.0
Authors@R: 
    person(given = "Alejandro",
           family = "Verri Kozlowski",
           email = "averri@fi.uba.ar",
           role = c("aut", "cre", "cph"))
Description: Implements a four-stage pipeline for probabilistic seismic
  performance analysis of slopes and embankments. The package takes a
  uniform-hazard spectrum at multiple return periods as input (any
  source) and produces: (1) synthetic soil profile generation and
  fundamental period estimation from USCS classification via Ishihara's
  small-strain shear-modulus model and the inhomogeneous truncated
  shear-beam theory of Gazetas and Dakoulas; (2) nonlinear site
  amplification using the NGA-East ergodic site-response models
  (Stewart et al. (2020) <doi:10.1177/8755293019878185> and
  Hashash et al. (2020) <doi:10.1177/8755293019878193>, with the
  2017 PEER-report generation retained as an option), with
  inter-period correlation via
  Baker & Jayaram (2008) <doi:10.1193/1.2857544>; (3) Monte Carlo
  ensemble of six empirical Newmark sliding-block displacement models
  (Ambraseys & Menu (1988) <doi:10.1002/eqe.4290160704>,
   Jibson (2007) <doi:10.1016/j.enggeo.2007.01.013>,
   Saygili & Rathje (2008) <doi:10.1061/(ASCE)1090-0241(2008)134:6(790)>,
   Bray & Travasarou (2007) <doi:10.1061/(ASCE)1090-0241(2007)133:4(381)>,
   Bray & Macedo (2017) <doi:10.1016/j.soildyn.2017.05.024>,
   and the Bray and Macedo shallow-crustal update) with coherent
  correlated draws; (4) log-log inversion to the performance-based
  seismic coefficient kmax at user-specified displacement targets. All
  outputs are 'data.table' objects.
License: MIT + file LICENSE
Encoding: UTF-8
Language: en-US
LazyData: true
LazyDataCompression: xz
URL: https://averriK.github.io/newmark/
RoxygenNote: 7.3.2
Depends: R (>= 4.2)
Imports: data.table, digest, Hmisc, mvtnorm, randomForest, rpart,
        readxl, stats, stringr, triangle, utils
Suggests: testthat (>= 3.0.0), knitr, rmarkdown, devtools
VignetteBuilder: knitr
Config/testthat/edition: 3
NeedsCompilation: no
Config/roxygen2/version: 8.0.0
Packaged: 2026-07-16 12:20:49 UTC; averrik
Author: Alejandro Verri Kozlowski [aut, cre, cph]
Maintainer: Alejandro Verri Kozlowski <averri@fi.uba.ar>
Repository: CRAN
Date/Publication: 2026-07-16 14:00:24 UTC
Built: R 4.5.3; ; 2026-08-10 04:51:31 UTC; windows
