Discussion comments on ‘On moments of the unit Lindley distribution’

J. Mazucheli, A. F. B. Menezes and S. Chakraborty

Journal of Applied Statistics, 2020, vol. 47, issue 5, 950-953

Abstract: In a note about the paper titled ‘On the one parameter unit-Lindley distribution and its associated regression model for proportion data’, Mazucheli et al. [J. Appl. Stat. 46 (2019), pp. 700–714] and Nadarajah and Chan [On moments of the unit Lindley distribution, J. Appl. Stat. (under review)] claim that ‘The expressions given for the moments and incomplete moments are not correct and not in closed form’. While we agree that they are not in closed form and observe a typo in the expressions for $\mu _{k}' $μk′ and $T_k(t) $Tk(t), $k=1,\ldots $k=1,…, the expressions for $\mu _{1}' $μ1′, $\mu _{2}' $μ2′, $\mu _{3}' $μ3′ and $\mu _{4}' $μ4′ are, however, entirely correct.

Date: 2020
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DOI: 10.1080/02664763.2019.1675609

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