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SujathaDist

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Overview

SujathaDist is an R package that provides computational tools for the Sujatha distribution, a one-parameter lifetime distribution introduced by Shanker (2016). The package offers functions for evaluating distributional quantities, generating random samples, estimating model parameters, assessing goodness-of-fit, and performing statistical analyses for lifetime and reliability data.

Features

The package currently provides:

Probability density function (dsujatha())
Cumulative distribution function (psujatha())
Quantile function (qsujatha())
Random number generation (rsujatha())
Maximum likelihood estimation (fitsujatha())
Goodness-of-fit analysis (gofsujatha())
S3 methods:
- print()
- summary()
- coef()
- vcov()
- confint()
- logLik()
- AIC()
- BIC()
- deviance()

Installation

Development version

install.packages("remotes")

remotes::install_github("hosenur72/SujathaDist")

Quick Start

library(SujathaDist)

theta <- 2

## Density
dsujatha(1, theta)

## Distribution
psujatha(1, theta)

## Quantile
qsujatha(0.5, theta)

## Random generation
set.seed(123)
x <- rsujatha(100, theta)

## Parameter estimation
fit <- fitsujatha(x)

summary(fit)

## Goodness of fit
gofsujatha(fit)

Package Structure

Function	Description
dsujatha	Density
psujatha	Distribution
qsujatha	Quantile
rsujatha	Random generation
fitsujatha	Maximum likelihood estimation
gofsujatha	Goodness-of-fit

References

Shanker, R. (2016).

Sujatha Distribution and its Applications.

Statistics in Transition New Series, 17(3), 391–410.

https://doi.org/10.21307/stattrans-2016-029

Citation

citation("SujathaDist")

Prodhani, H. R. (2026):Statistical Methods for the Sujatha Distribution, R package version 1.0.0, https://github.com/hosenur72/SujathaDist”

Author

Hosenur Rahman Prodhani Assistant Professor

Department of Statistics

B.N. College (Autonomous),Dhubri, Assam, India

Email: hosenur72@gmail.com - ORCID: https://orcid.org/0009-0001-3919-4952

License

GPL-3

These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.
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