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# Copyright 2013-2023 Lawrence Livermore National Security, LLC and other
# Spack Project Developers. See the top-level COPYRIGHT file for details.
#
# SPDX-License-Identifier: (Apache-2.0 OR MIT)
from spack.package import *
class RAmelia(RPackage):
"""A Program for Missing Data.
A tool that "multiply imputes" missing data in a single cross-section (such
as a survey), from a time series (like variables collected for each year in
a country), or from a time-series-cross-sectional data set (such as
collected by years for each of several countries). Amelia II implements our
bootstrapping-based algorithm that gives essentially the same answers as
the standard IP or EMis approaches, is usually considerably faster than
existing approaches and can handle many more variables. Unlike Amelia I
and other statistically rigorous imputation software, it virtually never
crashes (but please let us know if you find to the contrary!). The program
also generalizes existing approaches by allowing for trends in time series
across observations within a cross-sectional unit, as well as priors that
allow experts to incorporate beliefs they have about the values of missing
cells in their data. Amelia II also includes useful diagnostics of the fit
of multiple imputation models. The program works from the R command line
or via a graphical user interface that does not require users to know R."""
cran = "Amelia"
version("1.8.1", sha256="120ce62a2acfc845dbeb155ce3f33b41ebad324bc73693a918a95194a9fc47e4")
version("1.8.0", sha256="3ec1d5a68dac601b354227916aa8ec72fa1216b603dd887aae2b24cb69b5995e")
version("1.7.6", sha256="63c08d374aaf78af46c34dc78da719b3085e58d9fabdc76c6460d5193a621bea")
depends_on("r@3.0.2:", type=("build", "run"))
depends_on("r-rcpp@0.11:", type=("build", "run"))
depends_on("r-foreign", type=("build", "run"))
depends_on("r-rlang", type=("build", "run"), when="@1.8.1:")
depends_on("r-rcpparmadillo", type=("build", "run"))
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