dst v1.4.1
As of 2020-02-23
- added utility function bcaPrint for printing of the subsets of non-zero mass of a belief function.
- added examples vignettes:
Zadeh's example,
Captain's problem
- function dsrwon
added a check on values names to ensure that the two bca's combined are defined on the same space.
- function extmin
added checks on names of variables, as well as their number and their position in a product space
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dst 1.4.0
version 1.4.0 published on CRAN 2019-08-20
- Correction to fn extmin: Added a test for variable names missing.
- Correction to productSpace function. Transpose of array removed at the end of the function.
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dst v 1.3.0 (on CRAN 2018-12-05)
- added utility functions 'matrixToMarray' and 'marrayToMatrix' to execute the product space conversion of multidimensional data represented by a matrix, and vice-versa.
- debugging of function 'extmin' (extension of data to a larger product space).
- debugging of function 'elim' (reduction of a product space by elimination of one variable).
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dst v1.2.0.9001
2018-07-07.
- Correction to fn dsrwon: added the parameter relnb in the call of the function, to allow for specification the result with a new relation number.
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dst v1.2.0.9000
2018-05-01.
- Correction to fn tabresul: added a check for the case of the empty set present with m_empty = 0
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dst v1.1.0.9000
2018-05-01.
- Correction to fn belplau: added a check for the case of the empty set present with m_empty = 0
- Re-writed the referencing of source code taken on Rpubs
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dst v1.0.0 (Release date on CRAN: 2018-04-25)
Changes from version 0.3:
- Added a vignette: The Monty hall Game, an introduction to belief functions.
- functions (new and updated):
-- addTobca: New function. Adds some elements of 0 mass to an existing mass function.
-- bca: New version. Sets a class named "bcaspec". Parameters added to work with definitions on product spaces (relations).
-- bcaRel: New function to define a belief function on a product space.
-- belplau: Calculation of measures of belief, plausibility and ratio of plausibility.
-- decode: utility function
-- dotprod: utility function
-- double: utility function
-- shape: utility function
-- encode: New utility function. Convert a value to its representation in another chosen base.
-- reduction: utility function to obtain the summary of a vector for any operator
-- dsrwon: Combination of two mass functions
-- elim: This is a new function. This function works on a relation defined on a product of two variables or more. Having fixed a variable to eliminate from the relation, the reduced product space is determined and the corresponding reduced bca is computed.This operation is also called "marginalization".
-- extmin: Extension of a relation to a greater product space
-- inters: Intersection of two tables of propositions
-- nameRows: New function: Using the column names of a matrix to construct names for the rows
-- nzdsr: Normalization of results from Dempster's rule of combination.
-- productSpace: New function. Product space representation of a relation
-- plautrans:Plausibility transformation of the singletons of a frame
-- tabresul: Prepare a table of results.
- Removal of obsolete functions:
butLast, combmasses, dempster, initsing, rplau, transfo
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dst v0.3: Initial release of package on CRAN (2015-01-13)
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