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These methods are\ndescribed in the three vignettes that are included in this\npackage and in econometric textbooks such as Greene (2011,\nEconometric Analysis, 7th edition, Pearson).", "License": "GPL (>= 2)", "URL": "https://r-forge.r-project.org/projects/sampleselection/", "Config/pak/sysreqs": "cmake libicu-dev", "Repository": "https://r-forge.r-universe.dev", "Date/Publication": "2026-01-19 20:11:31 UTC", "RemoteUrl": "https://github.com/r-forge/sampleselection", "RemoteRef": "HEAD", "RemoteSha": "b54bd53621f4cb86ed1b7e4e0998961ed75e78e3", "RemoteSubdir": "pkg/sampleSelection", "NeedsCompilation": "no", "Packaged": { "Date": "2026-06-20 06:08:04 UTC", "User": "root" }, "MD5sum": "0cb228155ea98d2b1b2292ef6e7b1b47", "_user": "r-forge", "_type": "src", "_file": "sampleSelection_1.2-15.tar.gz", "_fileid": "5502c600050aaad79ccdd0ae511a8f27342d11453aada6a96c027c32601dbe18", "_filesize": 3502476, "_sha256": "5502c600050aaad79ccdd0ae511a8f27342d11453aada6a96c027c32601dbe18", "_created": 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