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IntervalQuestionStat  

Tools to Deal with Interval-Valued Responses in Questionnaires
View on CRAN: Click here


Download and install IntervalQuestionStat package within the R console
Install from CRAN:
install.packages("IntervalQuestionStat")

Install from Github:
library("remotes")
install_github("cran/IntervalQuestionStat")

Install by package version:
library("remotes")
install_version("IntervalQuestionStat", "0.2.0")



Attach the package and use:
library("IntervalQuestionStat")
Maintained by
José García-García
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2022-07-04
Latest Update: 2022-11-01
Description:
A user-friendly toolbox for doing the statistical analysis of interval-valued responses in questionnaires measuring intrinsically imprecise human attributes or features (attitudes, perceptions, opinions, feelings, etc.). In particular, this package provides S4 classes, methods, and functions in order to compute basic arithmetic and statistical operations with interval-valued data; prepare customized plots; associate each interval-valued response to its equivalent Likert-type and visual analogue scales answers through the minimum theta-distance and the mid-point criteria; analyze the reliability of respondents' answers from the internal consistency point of view by means of Cronbach's alpha coefficient; and simulate interval-valued responses in this type of questionnaires. The package also incorporates some real-life data that can be used to illustrate its working with several non-trivial reproducible examples. The methodology used in this package is based in many theoretical and applied publications from SMIRE+CoDiRE (Statistical Methods with Imprecise Random Elements and Comparison of Distributions of Random Elements) Research Group () from the University of Oviedo (Spain).
How to cite:
José García-García (2022). IntervalQuestionStat: Tools to Deal with Interval-Valued Responses in Questionnaires. R package version 0.2.0, https://cran.r-project.org/web/packages/IntervalQuestionStat. Accessed 06 Aug. 2026.
Previous versions and publish date:
0.1.0 (2022-07-04 21:00), (2026-07-09 08:07)
Other packages that cited IntervalQuestionStat R package
View IntervalQuestionStat citation profile
Other R packages that IntervalQuestionStat depends, imports, suggests or enhances
Complete documentation for IntervalQuestionStat
Functions, R codes and Examples using the IntervalQuestionStat R package
Some associated functions: IntervalData-class . IntervalData . IntervalDataOrIntervalList-class . IntervalList-class . IntervalList . IntervalListOrIntervalMatrix-class . IntervalMatrix-class . IntervalMatrix . IntervalQuestionStat-package . apply-methods . arithmetic-methods . as.IntervalData . as.IntervalList . c-methods . cbind-methods . cov-methods . cronbach . dim-methods . distance-methods . extract-methods . ivs2likert-methods . ivs2vas-methods . lackinfo . length-methods . mean-methods . mid-methods . ncol-methods . nrow-methods . plot-methods . rbind-methods . show-methods . simulIVS . spr-methods . sum-methods . var-methods . 
Some associated R codes: IntervalData.R . IntervalList.R . IntervalMatrix.R . IntervalQuestionStat-package.R . class-IntervalData.R . class-IntervalList.R . class-IntervalMatrix.R . class-virtual-IntervalDataOrIntervalList.R . class-virtual-IntervalListOrIntervalMatrix.R . cronbach.R . lackinfo.R . methods-apply.R . methods-arithmetic.R . methods-as.IntervalData.R . methods-as.IntervalList.R . methods-c.R . methods-cbind.R . methods-cov.R . methods-dim.R . methods-distance.R . methods-extract.R . methods-ivs2likert.R . methods-ivs2vas.R . methods-length.R . methods-mean.R . methods-mid.R . methods-ncol.R . methods-nrow.R . methods-plot.R . methods-rbind.R . methods-show.R . methods-spr.R . methods-sum.R . methods-var.R . simulIVS.R . utils-is_single_positive_integer.R . utils-is_single_positive_real_number.R . utils-is_single_proportion.R . utils-is_single_real_number.R .  Full IntervalQuestionStat package functions and examples
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