Subhradev Sen
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View article: Ratio of two independent xgamma random variables and some distributional properties
Ratio of two independent xgamma random variables and some distributional properties Open
In this investigation, the distribution of the ratio of two independently distributed xgamma (Sen et al. 2016) random variables X and Y , with different parameters, is proposed and studied. The related distributional properties such as, mo…
View article: On Truncated Versions of Xgamma Distribution: Various Estimation Methods and Statistical modelling
On Truncated Versions of Xgamma Distribution: Various Estimation Methods and Statistical modelling Open
In this article, we introduced the truncated versions (lower, upper and double) of xgamma distribution (Sen et al. 2016). In particular, different structural and distributional properties such as moments, popular entropy measures, order st…
View article: The quasi xgamma distribution with application in bladder cancer data
The quasi xgamma distribution with application in bladder cancer data Open
For the purpose of generalizing or extending an existing probability distribution, incorporation of additional parameter to it is very common in the statistical distribution theory and practice. In fact, in most of the times, such extensio…
View article: Pairwise Comparison in Repeated Scores-Application in Palliative Cancer Patients
Pairwise Comparison in Repeated Scores-Application in Palliative Cancer Patients Open
In clinical studies, subjects or patients might be exposed to a succession of diagnostic tests or medication over time and interest is on determining whether there is progressive remission of conditions, disease or symptoms that have measu…
View article: Modeling pages left blank in university examination: A resolution in higher education process
Modeling pages left blank in university examination: A resolution in higher education process Open
Trees are the main sources of paper production, in most of the cases, as far as the intellectual usages are concerned. However, our planet is lacking in that particular natural resource due to rapid growth of population, urbanization, and …
View article: The wrapped xgamma distribution for modeling circular data appearing in geological context
The wrapped xgamma distribution for modeling circular data appearing in geological context Open
The technique of wrapping of a univariate probability distribution is very effective in getting a circular form of the underlying density. In this article, we introduce the circular (wrapped) version of xgamma distribution and study its di…
View article: The quasi xgamma-geometric distribution with application in medicine
The quasi xgamma-geometric distribution with application in medicine Open
In this paper, a new probability distribution, which is synthesized based on the quasi xgamma[26] and geometric distributions, is proposed and studied. The proposed distribution so synthesized is basically a family of positively skewed pro…
View article: THE QUASI XGAMMA-POISSON DISTRIBUTION: PROPERTIES AND APPLICATION
THE QUASI XGAMMA-POISSON DISTRIBUTION: PROPERTIES AND APPLICATION Open
In this work, we introduce a new xgamma-Poisson lifetime model called the quasi xgamma-Poisson distribution. Some of its mathematical properties are derived. The proposed model can be motivated with a physical motivation by compou…
View article: On Properties and Applications of a Two-Parameter Xgamma Distribution
On Properties and Applications of a Two-Parameter Xgamma Distribution Open
An existing one-parameter probability distribution can be very well generalized by adding an extra parameter in it and, in turn, the two-parameter family of distributions, thus obtained, provides added flexibility in modeling real life dat…
View article: Estimating unknown heterogeneity in head and neck cancer survival: a parametric shared frailty approach
Estimating unknown heterogeneity in head and neck cancer survival: a parametric shared frailty approach Open
The term frailty was introduced by Vaupel et al. to indicate that dierentindividuals are at risks even though on the surface they may appear tobe quite similar with respect to the measurable attributes such as age, sex, habits etc. The ter…
View article: The xgamma Distribution: Statistical Properties and Application
The xgamma Distribution: Statistical Properties and Application Open
A new probability distribution, the xgamma distribution, is proposed and studied. The distribution is generated as a special finite mixture of exponential and gamma distributions and hence the name proposed. Various mathematical, structura…
View article: Burden and outcomes of pressure ulcers in cancer patients receiving the Kerala model of home based palliative care in India: Results from a prospective observational study
Burden and outcomes of pressure ulcers in cancer patients receiving the Kerala model of home based palliative care in India: Results from a prospective observational study Open
CTRI/2014/03/004477.