{ "_id": "6a1047a7acfb0bcc41c9f04f", "Package": "OrdMonReg", "Type": "Package", "Title": "Compute Least Squares Estimates of One Bounded or Two Ordered\nIsotonic Regression Curves", "Version": "1.0.4", "Date": "2026-04-26", "Authors@R": "c(person(given = \"Fadoua\", family = \"Balabdaoui\", role = \"aut\", email = \"fadoua.balabdaoui@stat.math.ethz.ch\"),\nperson(given = \"Kaspar\", family = \"Rufibach\", role = c(\"aut\", \"cre\"), email = \"kaspar.rufibach@gmail.com\"),\nperson(given = \"Filippo\", family = \"Santambrogio\", role = \"aut\", email = \"santambrogio@math.univ-lyon1.fr\"))", "Description": "We consider the problem of estimating two isotonic\nregression curves g1* and g2* under the constraint that they\nare ordered, i.e. g1* <= g2*. Given two sets of n data points\ny_1, ..., y_n and z_1, ..., z_n that are observed at (the same)\ndeterministic design points x_1, ..., x_n, the estimates are\nobtained by minimizing the Least Squares criterion L(a, b) =\nsum_{i=1}^n (y_i - a_i)^2 w1(x_i) + sum_{i=1}^n (z_i - b_i)^2\nw2(x_i) over the class of pairs of vectors (a, b) such that a\nand b are isotonic and a_i <= b_i for all i = 1, ..., n. We\noffer two different approaches to compute the estimates: a\nprojected subgradient algorithm where the projection is\ncalculated using a PAVA as well as Dykstra's cyclical\nprojection algorithm.", "License": "GPL (>= 2)", "URL": "https://people.math.ethz.ch/~fadouab/,\nhttp://www.kasparrufibach.ch,\nhttps://math.univ-lyon1.fr/~santambrogio/", "NeedsCompilation": "no", "Packaged": { "Date": "2026-05-10 09:26:55 UTC", "User": "root" }, "Author": "Fadoua Balabdaoui [aut], Kaspar Rufibach [aut, cre], Filippo\nSantambrogio [aut]", "Maintainer": "Kaspar Rufibach ", "Repository": "https://numbersman77.r-universe.dev", "Date/Publication": "2026-04-29 11:56:27 UTC", "RemoteUrl": "https://github.com/cran/OrdMonReg", "RemoteRef": "HEAD", "RemoteSha": "97bb7fa618cf86446a16b8110a73a500f5b78063", "MD5sum": "96c096f007ec553a818ff200de2c8f1d", "_user": "numbersman77", "_type": "src", "_file": "OrdMonReg_1.0.4.tar.gz", "_fileid": "a6c98c5a4632bf6553ceaf57badfc6ac0a54a687bdc0d7861a326a232b892eef", 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