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Inventi Impact - Quality, Statistics & Reliability

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    Journal Scope:

    Quality and Reliability are the characteristics that are looked upon in virtually every system while statistics plays a tool in assessing the two. The ‘Inventi Rapid/Impact: Quality, Statistics & Reliability’ has a mandate to providing publishing space for all the advancements happening in achieving the quality, ensuring the reliability, and in statistical tools, across all the disciplines. The journal, hence, is multidisciplinary and it invites research and review articles from academician as well as practicing professionals from all the fields.

  • RESEARCH ON THE DEGREE OF ECOLOGICAL SUPPLY CHAIN MANAGEMENT PRACTICE AMONG CHINESE MANUFACTURING ENTERPRISES
    Xiaohua Chen, Guoyi Xiu    Download Full Text

    Based on the existing literature, this paper proposes two assumptions and designs a set of ecological supply chain performance evaluation indicators system. Because these indicators are interdependence for each other, this paper selects the analytic network process and builds the ANP networkmodel to evaluate the degree of ecological supply chain management practice among Chinese manufacturing ente...

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  • CONVERGENCE IN DISTRIBUTION OF SOME SELF-INTERACTING DIFFUSIONS
    Aline Kurtzmann    Download Full Text

    The present paper is concerned with some self-interacting diffusions (xt,t = 0) living on Rd. These diffusions are solutions to stochastic differential equations: dxt = dbt - g(t)?V(xt - µ ¯??)????, where ???? is the empirical mean of the process ??, ?? is an asymptotically strictly convex potential, and g is a given positive function. We study the asymptotic behaviour of x for three different f...

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  • OPTIMIZATION PROBLEMS OF COSTS IN A MULTISTATE SYSTEM WITH IMPERFECT MAINTENANCE
    Soufiane Gasmi, Nizar Mannai    Download Full Text

    We consider optimal replacement policies with periodic imperfectmaintenance actions and minimal repairs.Themultistate system is minimally repaired at failure and imperfect maintenance actions are regularly carried out for preventive maintenance. The discrete modified Weibull distribution is introduced and some cost functions applied to this distribution are defined in order to be minimized. Moreov...

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  • RENEWAL AND RENEWAL-INTENSITY FUNCTIONS WITH MINIMAL REPAIR
    Saeed Maghsoodloo, Dilcu Helvaci    Download Full Text

    The renewal and renewal-intensity functions with minimal repair are explored for the Normal, Gamma, Uniform, and Weibull underlying lifetime distributions. The Normal, Gamma, and Uniform renewal, and renewal-intensity functions are derived by the convolution method. Unlike these last three failure distributions, the Weibull except at shape ß = 1 does not have a closedform function for the n-fold ...

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  • THE EXPONENTIATED HALF-LOGISTIC FAMILY OF DISTRIBUTIONS: PROPERTIES AND APPLICATIONS
    Gauss M Cordeiro, Morad Alizadeh, Edwin M M Ortega    Download Full Text

    We study some mathematical properties of a new generator of continuous distributions with two extra parameters called the exponentiated half-logistic family. We present some special models. We investigate the shapes of the density and hazard rate function.We derive explicit expressions for the ordinary and incomplete moments, quantile and generating functions, probability weighted moments, Bonferr...

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  • INCREASED STATISTICAL EFFICIENCY IN A LOGNORMAL MEAN MODEL
    Grant H Skrepnek, Ashok Sahai    Download Full Text

    Within the context of clinical and other scientific research, a substantial need exists for an accurate determination of the point estimate in a lognormal mean model, given that highly skewed data are often present. As such, logarithmic transformations are often advocated to achieve the assumptions of parametric statistical inference. Despite this, existing approaches that utilize only a sample’...

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