Retraction notice: Experimental analysis of Medicare data using hierarchical grouping mechanism

The publishers of International Journal of Intelligent Unmanned Systems wish to retract the article P., N.J., D., R.L. and K.V.S.N., R.R. (2020), “Experimental analysis of Medicare data using hierarchical grouping mechanism,” International Journal of Intelligent Unmanned Systems, Vol. 8 No. 1, pp. 68–82. https://doi.org/10.1108/IJIUS-03-2019-0019

An internal investigation into a series of submissions has uncovered evidence that the peer review process was compromised. As a result of these concerns, the findings of the article cannot be relied upon. This decision has been taken in accordance with Emerald’s publishing ethics and the COPE guidelines on retractions. The authors of this article would like to note that they do not agree with the content of this notice. The publishers of the journal sincerely apologize to the readers.