Description
Splits initial strata into refined strata that optimize covariate balance. For more information, please see Brumberg, Small, and Rosenbaum (2024) <doi:10.1093/biomtc/ujae061>. To solve the linear program, the 'Gurobi' commercial optimization software is recommended, but not required. The 'gurobi' R package can be installed following the instructions at <https://docs.gurobi.com/projects/optimizer/en/current/reference/r/setup.html> after claiming your free academic license at <https://www.gurobi.com/academia/academic-program-and-licenses/>.
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Show all 14 flavors
| Flavor | Status |
|---|---|
| r-devel-linux-x86_64-debian-clang | OK |
| r-devel-linux-x86_64-debian-gcc | OK |
| r-devel-linux-x86_64-fedora-clang | OK |
| r-devel-linux-x86_64-fedora-gcc | OK |
| r-devel-macos-arm64 | OK |
| r-devel-windows-x86_64 | OK |
| r-oldrel-macos-arm64 | NOTE |
| r-oldrel-macos-x86_64 | NOTE |
| r-oldrel-windows-x86_64 | NOTE |
| 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 (14 non-OK)
OK
r-devel-linux-x86_64-debian-clang
*
OK
r-devel-linux-x86_64-debian-gcc
*
OK
r-devel-linux-x86_64-fedora-clang
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OK
r-devel-linux-x86_64-fedora-gcc
*
OK
r-devel-macos-arm64
*
OK
r-devel-windows-x86_64
*
NOTE
r-oldrel-macos-arm64
package dependencies
Package suggested but not available for checking: ‘gurobi’
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r-oldrel-macos-x86_64
package dependencies
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r-oldrel-windows-x86_64
package dependencies
Package suggested but not available for checking: 'gurobi'
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
*
Check History
NOTE 11 OK · 3 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Mar 9, 2026
NOTE
r-oldrel-macos-arm64
package dependencies
Package suggested but not available for checking: ‘gurobi’
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r-oldrel-macos-x86_64
package dependencies
Package suggested but not available for checking: ‘gurobi’
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r-oldrel-windows-x86_64
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Version History
new
1.1.1
Mar 9, 2026