rm-index
The rm-index (Panaretos and Malesios 2009) is a modification of the R-index, where one sums the square-root of the citations within the core rather than the total count:
$$r_m=\sqrt{\sum\limits_{i=1}^{h}{\sqrt{C_i}}}.$$History
| Year | rm |
|---|---|
| 1997 | 1.0000 |
| 1998 | 2.4318 |
| 1999 | 3.1969 |
| 2000 | 4.2990 |
| 2001 | 5.1567 |
| 2002 | 6.0304 |
| 2003 | 7.3439 |
| 2004 | 8.7615 |
| 2005 | 10.2341 |
| 2006 | 11.3832 |
| 2007 | 12.7122 |
| 2008 | 13.8505 |
| 2009 | 15.0682 |
| 2010 | 15.9238 |
| 2011 | 17.1894 |
| 2012 | 18.5453 |
| 2013 | 19.4348 |
| 2014 | 20.1592 |
| 2015 | 20.8315 |
| 2016 | 21.3298 |
| 2017 | 22.0115 |
| 2018 | 22.4223 |
| 2019 | 22.8162 |
| 2020 | 23.3028 |
| 2021 | 23.8291 |
| 2022 | 24.4480 |
| 2023 | 24.8813 |
| 2024 | 25.1796 |
| 2025 | 25.3592 |
References
- Panaretos, J., and C. Malesios (2009) Assessing scientific research performance and impact with single indices. Scientometrics 81(3):635–670.