efficiency in agricultural production is indicative of the efficiency level of farm households in their farming activities. farmers in developing countries do not make use of all the potential technological resources, thus making inefficient decisions in their agricultural activities. herein, technical efficiency in relation with the production of three types of rice crop (boro, aus and aman) w...

introduction: long term complications of hepatitis c virus (hcv) infection include fibrosis, cirrhosis, and hepatocellular carcinoma and although the disease is treatable with the newly introduced direct acting antivirals, but factors such as drug resistance, viral genotype and adverse effects can limit the effectiveness of therapy. therefore, development of effective, safe and affordable proph...

The NPMLE of a distribution function from doubly truncated data was introduced in the seminal paper Efron and Petrosian (J Am Stat Assoc 94:824–834, 1999). consistency depends however on assumption independent truncation. In this work we introduce an extension Efron–Petrosian when variable interest truncation variables may be dependent. proposed estimator is constructed basis copula which repre...