Abstract:Quantile functions are efficient and equivalent alternatives to distribution functions in modeling and analysis of statistical data (see Gilchrist, 2000; Nair and Sankaran, 2009). Motivated by this, in the present paper, we introduce a quantile based Shannon entropy function. We also introduce residual entropy function in the quantile setup and study its properties. Unlike the residual entropy function due to Ebrahimi (1996), the residual quantile entropy function determines the quantile density function uniqu… Show more
“…Thus, we see that, as β → 1, we get the bounds for the residual quantile entropy function given in Sunoj and Sankaran (2012), as expected. We prove later that equality in (2.8) holds if and only if the underlying distribution is exponential.…”
Section: Distributionsupporting
confidence: 79%
“…This makes the analytical study of the properties of these distributions by means of (1.1) or (1.2) difficult. Accordingly, Sunoj and Sankaran (2012) introduced quantile versions of the Shannon entropy (1.1) and its residual form (1.2). The quantile based residual entropy is defined by…”
“…Thus, we see that, as β → 1, we get the bounds for the residual quantile entropy function given in Sunoj and Sankaran (2012), as expected. We prove later that equality in (2.8) holds if and only if the underlying distribution is exponential.…”
Section: Distributionsupporting
confidence: 79%
“…This makes the analytical study of the properties of these distributions by means of (1.1) or (1.2) difficult. Accordingly, Sunoj and Sankaran (2012) introduced quantile versions of the Shannon entropy (1.1) and its residual form (1.2). The quantile based residual entropy is defined by…”
a b s t r a c tDi Crescenzo and Longobardi (2002) introduced a measure of uncertainty in past lifetime distributions and studied its relationship with residual entropy function. In the present paper, we introduce a quantile version of the entropy function in past lifetime and study its properties. Unlike the measure of uncertainty given in Di Crescenzo and Longobardi (2002) the proposed measure uniquely determines the underlying probability distribution. The measure is used to study two nonparametric classes of distributions. We prove characterizations theorems for some well known quantile lifetime distributions.
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