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 | 2.4718 |
| 1999 | 3.1938 |
| 2000 | 4.3094 |
| 2001 | 5.1552 |
| 2002 | 6.2388 |
| 2003 | 7.3296 |
| 2004 | 8.7406 |
| 2005 | 10.2141 |
| 2006 | 11.3599 |
| 2007 | 12.6954 |
| 2008 | 13.8373 |
| 2009 | 15.0485 |
| 2010 | 15.9076 |
| 2011 | 17.1854 |
| 2012 | 18.5259 |
| 2013 | 19.4179 |
| 2014 | 20.1536 |
| 2015 | 20.8280 |
| 2016 | 21.3216 |
| 2017 | 22.0016 |
| 2018 | 22.4111 |
| 2019 | 22.8062 |
| 2020 | 23.2976 |
| 2021 | 23.8190 |
| 2022 | 24.4320 |
| 2023 | 24.7334 |
| 2024 | 25.1471 |
| 2025 | 25.5471 |
References
- Panaretos, J., and C. Malesios (2009) Assessing scientific research performance and impact with single indices. Scientometrics 81(3):635–670.