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isni  

Index of Local Sensitivity to Nonignorability
View on CRAN: Click here


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

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

Install by package version:
library("remotes")
install_version("isni", "1.3")



Attach the package and use:
library("isni")
Maintained by
Hui Xie
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2018-02-21
Latest Update: 2021-08-23
Description:
The current version provides functions to compute, print and summarize the Index of Sensitivity to Nonignorability (ISNI) in the generalized linear model for independent data, and in the marginal multivariate Gaussian model and the mixed-effects models for continuous and binary longitudinal/clustered data. It allows for arbitrary patterns of missingness in the regression outcomes caused by dropout and/or intermittent missingness. One can compute the sensitivity index without estimating any nonignorable models or positing specific magnitude of nonignorability. Thus ISNI provides a simple quantitative assessment of how robust the standard estimates assuming missing at random is with respect to the assumption of ignorability. For a tutorial, download at . For more details, see Troxel Ma and Heitjan (2004) and Xie and Heitjan (2004) and Ma Troxel and Heitjan (2005) and Xie (2008) and Xie (2012) and Xie and Qian (2012) .
How to cite:
Hui Xie (2018). isni: Index of Local Sensitivity to Nonignorability. R package version 1.3, https://cran.r-project.org/web/packages/isni. Accessed 04 Jun. 2026.
Previous versions and publish date:
0.1 (2018-02-21 20:00), 0.2 (2018-04-10 00:46), 0.3 (2018-06-16 18:07), 0.4 (2019-02-05 00:33), 1.0 (2019-06-30 22:20), 1.1 (2019-07-02 08:20), 1.2 (2020-02-29 08:30)
Other packages that cited isni R package
View isni citation profile
Other R packages that isni depends, imports, suggests or enhances
Complete documentation for isni
Functions, R codes and Examples using the isni R package
Some associated functions: coc . definemissingstatus . isniglm . isniglmmbin . isnilmm . isnimgm . print.isniglm . print.isniglmm . print.isnilmm . print.isnimgm . qolef . skquit . sos . summary.isniglm . summary.isniglmm . summary.isnilmm . summary.isnimgm . tmdm . 
Some associated R codes: isniglm.R . isniglmmbin.R . isnilmm.R . isnimgm.R .  Full isni package functions and examples
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