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keywords: attribute
title: Names (keys) of a BibEntry object
description: Functions to get and set the keys of an object of class BibEntry

keywords: attribute
title: Genealogy depth
description: Returns the number of generations in the genealogy from a GLgen object.

keywords: attribute
title: Indicates whether the formula contains an intercept
description: This is a generic which provide convenient methods for formula/Formula object and for specific fitted models

keywords: attribute
title: Compute the model matrix for RUM
description: specific stuff compared to the model.matrix.dfidx method which simply applies the Formula method

keywords: attribute
title: Some deprecated functions, especially mlogit.data, index and mFormula
description: mlogit.data is deprecated, use dfidx::dfidx() instead, mFormula is replaced by Formula::Formula() and zoo::index() by idx.

keywords: attribute
title
description: The function checks if the input data are given in the correct form of an array of dimension nl x 3 x n containing n fuzzy numbers characterized by means of nl \(\alpha\)-levels each. The following conditions have to be fulfilled: (1) the number of columns of the array must be 3 (the first column will be the \(\alpha\)-levels, the second one their infimum values and the third one their supremum values), (2) all the fuzzy numbers must have the same column of \(\alpha\)-levels, (3) the minimum \(\alpha\)-level should be 0 y the maximum 1, (4) the \(\alpha\)-levels have to increase from 0 to 1, (5) the infimum values have to be non-decreasing, (6) the supremum values have to be non-creasing, (7) the infimum value has to be smaller or equal than the supremum value for each \(\alpha\)-level. This function is used internally in some of the other functions to do a preliminary checking if the input data are in the correct form.

keywords: attribute
title
description: The function checks if the input data are given in the correct form of a matrix of dimension n x 4 containing n trapezoidal fuzzy numbers characterized by their four values inf0,inf1,sup1,sup0 each. The following conditions have to be fulfilled: (1) the number of columns of the matrix must be 4 (the four values characterizing each trapezoidal fuzzy number), (2) the four values of each trapezoidal number have to be non-decreasing. This function is used internally in almost all the other functions to do a preliminary checking if the input data are in the correct form.

keywords: attribute
title: Extract the name of the data used to generate objects of various wavelet classes
description: Wavelet functions store the original name of the data used to create the output in various locations within the output object. This function provides a means by which the user can directly access data name.