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Package: subgroup.discovery | ||
Type: Package | ||
Title: Subgroup Discovery and Bump Hunting | ||
Version: 0.2.0 | ||
Version: 0.2.1 | ||
Authors@R: c( | ||
person(given = "Jurian", family = "Baas", email = "jurian@jurianbaas.nl", role = c("aut", "cre", "cph")), | ||
person(given = "Ad", family ="Feelders", email = "A.J.Feelders@uu.nl", role = c("ctb"))) | ||
person(given = "Jurian", family = "Baas", email = "j.baas@uu.nl", role = c("aut", "cre", "cph")), | ||
person(given = "Ad", family ="Feelders", email = "a.j.feelders@uu.nl", role = c("ctb"))) | ||
Description: Developed to assist in discovering interesting subgroups in high-dimensional data. The PRIM implementation is based on the 1998 paper "Bump hunting in high-dimensional data" by Jerome H. Friedman and Nicholas I. Fisher. <doi:10.1023/A:1008894516817> PRIM involves finding a set of "rules" which combined imply unusually large (or small) values of some other target variable. Specifically one tries to find a set of sub regions in which the target variable is substantially larger than overall mean. The objective of bump hunting in general is to find regions in the input (attribute/feature) space with relatively high (low) values for the target variable. The regions are described by simple rules of the type if: condition-1 and ... and condition-n then: estimated target value. Given the data (or a subset of the data), the goal is to produce a box B within which the target mean is as large as possible. There are many problems where finding such regions is of considerable practical interest. Often these are problems where a decision maker can in a sense choose or select the values of the input variables so as to optimize the value of the target variable. In bump hunting it is customary to follow a so-called covering strategy. This means that the same box construction (rule induction) algorithm is applied sequentially to subsets of the data. | ||
Depends: R (>= 2.10) | ||
License: GPL-3 | ||
Encoding: UTF-8 | ||
LazyData: true | ||
RoxygenNote: 6.0.1 | ||
RoxygenNote: 6.1.1 | ||
URL: https://github.com/Jurian/subgroup.discovery | ||
BugReports: https://github.com/Jurian/subgroup.discovery/issues | ||
Date: 2017-07-15 | ||
Date: 2019-06-21 | ||
Suggests: testthat | ||
NeedsCompilation: no | ||
Packaged: 2017-08-02 09:04:19 UTC; juria | ||
Packaged: 2019-06-21 14:28:41 UTC; juria | ||
Author: Jurian Baas [aut, cre, cph], | ||
Ad Feelders [ctb] | ||
Maintainer: Jurian Baas <jurian@jurianbaas.nl> | ||
Maintainer: Jurian Baas <j.baas@uu.nl> | ||
Repository: CRAN | ||
Date/Publication: 2017-08-02 09:09:42 UTC | ||
Date/Publication: 2019-06-21 16:30:03 UTC |
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