ph-ratio
The p-index (Prathap) can be considered a predictor of the h-index. The ratio between p and h (the ph-ratio) reflects the sensitivity of the value to the proportion of citations in the upper core and the lower tail.
History
| Year | ph-ratio |
|---|---|
| 1997 | 0.8736 |
| 1998 | 1.0137 |
| 1999 | 1.9973 |
| 2000 | 1.5916 |
| 2001 | 1.7552 |
| 2002 | 2.0555 |
| 2003 | 1.8325 |
| 2004 | 2.0123 |
| 2005 | 2.0969 |
| 2006 | 2.3155 |
| 2007 | 2.2923 |
| 2008 | 2.3747 |
| 2009 | 2.2994 |
| 2010 | 2.4178 |
| 2011 | 2.3908 |
| 2012 | 2.3120 |
| 2013 | 2.3931 |
| 2014 | 2.4906 |
| 2015 | 2.5641 |
| 2016 | 2.7128 |
| 2017 | 2.6963 |
| 2018 | 2.7758 |
| 2019 | 2.8977 |
| 2020 | 2.9381 |
| 2021 | 2.9718 |
| 2022 | 2.8880 |
| 2023 | 2.9068 |
| 2024 | 2.9681 |