EMSS
Some EM-Type Estimation Methods for the Heckman Selection Model
v1.1.1
·
Jan 10, 2022
·
GPL-2
Description
Some EM-type algorithms to estimate parameters for the well-known Heckman selection model are provided in the package. Such algorithms are as follow: ECM(Expectation/Conditional Maximization), ECM(NR)(the Newton-Raphson method is adapted to the ECM) and ECME(Expectation/Conditional Maximization Either). Since the algorithms are based on the EM algorithm, they also have EM’s main advantages, namely, stability and ease of implementation. Further details and explanations of the algorithms can be found in Zhao et al. (2020) <doi: 10.1016/j.csda.2020.106930>.
Downloads
158
Last 30 days
18814th
708
Last 90 days
2.5K
Last year
Trend: -18.6% (30d vs prior 30d)
CRAN Check Status
2
NOTE
11
OK
Show all 13 flavors
| Flavor | Status |
|---|---|
| r-devel-linux-x86_64-debian-clang | NOTE |
| r-devel-linux-x86_64-debian-gcc | NOTE |
| r-devel-linux-x86_64-fedora-clang | OK |
| r-devel-linux-x86_64-fedora-gcc | OK |
| r-devel-windows-x86_64 | OK |
| r-oldrel-macos-arm64 | OK |
| r-oldrel-macos-x86_64 | OK |
| r-oldrel-windows-x86_64 | OK |
| r-patched-linux-x86_64 | OK |
| r-release-linux-x86_64 | OK |
| r-release-macos-arm64 | OK |
| r-release-macos-x86_64 | OK |
| r-release-windows-x86_64 | OK |
Check details (2 non-OK)
NOTE
r-devel-linux-x86_64-debian-clang
CRAN incoming feasibility
Maintainer: ‘Sang Kyu Lee <leesa111@msu.edu>’
No Authors@R field in DESCRIPTION.
Please add one, modifying
Authors@R: c(person(given = "Kexuan",
family = "Yang",
role = "aut",
email = "717260446@qq.com"),
person(given = c("Sang", "Kyu"),
family = "Lee",
role = c("aut", "cre"),
email = "leesa111@msu.edu"),
person(given = "Jun",
family = "Zhao",
role = "aut",
email = "zhaojun2021@hotmail.com"),
person(given = "Hyoung-Moon",
family = "Kim",
role = "aut",
email = "hmk966a@gmail.com"))
as necessary.
NOTE
r-devel-linux-x86_64-debian-gcc
CRAN incoming feasibility
Maintainer: ‘Sang Kyu Lee <leesa111@msu.edu>’
No Authors@R field in DESCRIPTION.
Please add one, modifying
Authors@R: c(person(given = "Kexuan",
family = "Yang",
role = "aut",
email = "717260446@qq.com"),
person(given = c("Sang", "Kyu"),
family = "Lee",
role = c("aut", "cre"),
email = "leesa111@msu.edu"),
person(given = "Jun",
family = "Zhao",
role = "aut",
email = "zhaojun2021@hotmail.com"),
person(given = "Hyoung-Moon",
family = "Kim",
role = "aut",
email = "hmk966a@gmail.com"))
as necessary.
Check History
NOTE 11 OK · 2 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Jun 9, 2026
NOTE
r-devel-linux-x86_64-debian-clang
CRAN incoming feasibility
Maintainer: ‘Sang Kyu Lee <leesa111@msu.edu>’
No Authors@R field in DESCRIPTION.
Please add one, modifying
Authors@R: c(person(given = "Kexuan",
family = "Yang",
role = "aut",
email
...[truncated]...
"aut",
email = "zhaojun2021@hotmail.com"),
person(given = "Hyoung-Moon",
family = "Kim",
role = "aut",
email = "hmk966a@gmail.com"))
as necessary.
NOTE
r-devel-linux-x86_64-debian-gcc
CRAN incoming feasibility
Maintainer: ‘Sang Kyu Lee <leesa111@msu.edu>’
No Authors@R field in DESCRIPTION.
Please add one, modifying
Authors@R: c(person(given = "Kexuan",
family = "Yang",
role = "aut",
email
...[truncated]...
"aut",
email = "zhaojun2021@hotmail.com"),
person(given = "Hyoung-Moon",
family = "Kim",
role = "aut",
email = "hmk966a@gmail.com"))
as necessary.
ERROR 11 OK · 1 NOTE · 0 WARNING · 1 ERROR · 0 FAILURE Jun 8, 2026
NOTE
r-devel-linux-x86_64-debian-clang
CRAN incoming feasibility
Maintainer: ‘Sang Kyu Lee <leesa111@msu.edu>’
No Authors@R field in DESCRIPTION.
Please add one, modifying
Authors@R: c(person(given = "Kexuan",
family = "Yang",
role = "aut",
email
...[truncated]...
"aut",
email = "zhaojun2021@hotmail.com"),
person(given = "Hyoung-Moon",
family = "Kim",
role = "aut",
email = "hmk966a@gmail.com"))
as necessary.
ERROR
r-devel-linux-x86_64-debian-gcc
CRAN incoming feasibility
Maintainer: ‘Sang Kyu Lee <leesa111@msu.edu>’
No Authors@R field in DESCRIPTION.
Please add one, modifying
Authors@R: c(person(given = "Kexuan",
family = "Yang",
role = "aut",
email
...[truncated]...
"aut",
email = "zhaojun2021@hotmail.com"),
person(given = "Hyoung-Moon",
family = "Kim",
role = "aut",
email = "hmk966a@gmail.com"))
as necessary.
NOTE 12 OK · 2 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Mar 10, 2026
NOTE
r-devel-linux-x86_64-debian-clang
CRAN incoming feasibility
Maintainer: ‘Sang Kyu Lee <leesa111@msu.edu>’
No Authors@R field in DESCRIPTION.
Please add one, modifying
Authors@R: c(person(given = "Kexuan",
family = "Yang",
role = "aut",
email
...[truncated]...
"aut",
email = "zhaojun2021@hotmail.com"),
person(given = "Hyoung-Moon",
family = "Kim",
role = "aut",
email = "hmk966a@gmail.com"))
as necessary.
NOTE
r-devel-linux-x86_64-debian-gcc
CRAN incoming feasibility
Maintainer: ‘Sang Kyu Lee <leesa111@msu.edu>’
No Authors@R field in DESCRIPTION.
Please add one, modifying
Authors@R: c(person(given = "Kexuan",
family = "Yang",
role = "aut",
email
...[truncated]...
"aut",
email = "zhaojun2021@hotmail.com"),
person(given = "Hyoung-Moon",
family = "Kim",
role = "aut",
email = "hmk966a@gmail.com"))
as necessary.