New HIV/AIDS research has been reported by scientists from Harvard University, U.S.

Study 1: Fresh data on HIV/AIDS are presented in the report "A simple local sensitivity analysis tool for nonignorable coarsening: application to dependent censoring. Right-and interval-censored data are common special cases of coarsened data (Heitjan and Rubin, 1991, Annals of Statistics19, 2244-2253). As with missing data, standard statistical methods that ignore the random nature of the coarsening mechanism may lead to incorrect inferences," scientists in the United States report.

"We extend a simple sensitivity analysis tool, the index of local sensitivity to...

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