Tools to Deal with Interval-Valued Responses in Questionnaires

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Documentation for package ‘IntervalQuestionStat’ version 0.1.0

• DESCRIPTION file.

Help Pages

IntervalQuestionStat-package	Tools to Deal with Interval-Valued Responses in Questionnaires
*-method	Interval arithmetic operations
+-method	Interval arithmetic operations
--method	Interval arithmetic operations
apply	Apply functions over 'IntervalMatrix' margins
apply-method	Apply functions over 'IntervalMatrix' margins
arithmetic	Interval arithmetic operations
as.IntervalData	Convert an object to 'IntervalData' class
as.IntervalData-method	Convert an object to 'IntervalData' class
as.IntervalList	Convert an object to 'IntervalList' class
as.IntervalList-method	Convert an object to 'IntervalList' class
c	Combine interval-valued data into an interval-valued data list
c-method	Combine interval-valued data into an interval-valued data list
cov	Calculate the covariance of two samples of n interval-valued data
cov-method	Calculate the covariance of two samples of n interval-valued data
cronbach	Estimate Cronbach's alpha coefficient
distance	Calculate the theta-distance between two interval-valued data
distance-method	Calculate the theta-distance between two interval-valued data
IntervalData	Create an 'IntervalData' object
IntervalData-class	S4 class representing an interval-valued data
IntervalList	Create an 'IntervalList' object
IntervalList-class	S4 class representing a list of interval-valued data
IntervalMatrix	Create an 'IntervalMatrix' object
IntervalMatrix-class	S4 class representing a matrix of interval-valued data
ivd2likert	Convert interval-valued data responses into Likert-type responses
ivd2likert-method	Convert interval-valued data responses into Likert-type responses
ivd2vas	Convert interval-valued data responses to visual-analogue responses
ivd2vas-method	Convert interval-valued data responses to visual-analogue responses
lackinfo	Lack of information questionnaire dataset
mean	Calculate the sample Aumann mean of n interval-valued data
mean-method	Calculate the sample Aumann mean of n interval-valued data
plot	Plot an interval-valued data or a list of interval-valued data
plot-method	Plot an interval-valued data or a list of interval-valued data
show	Print basic information of interval-valued data
show-method	Print basic information of interval-valued data
simulIVS	Simulation of interval-valued responses to a questionnaire
sum	Calculate the sum of n interval-valued data
sum-method	Calculate the sum of n interval-valued data
var	Calculate the sample Frechet variance of n interval-valued data
var-method	Calculate the sample Frechet variance of n interval-valued data
[	Extract parts of an interval-valued object
[-method	Extract parts of an interval-valued object