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 | 1.0583 |
| 1999 | 1.9973 |
| 2000 | 1.6042 |
| 2001 | 1.7794 |
| 2002 | 1.8079 |
| 2003 | 1.8295 |
| 2004 | 2.0123 |
| 2005 | 1.9585 |
| 2006 | 2.3132 |
| 2007 | 2.2872 |
| 2008 | 2.3726 |
| 2009 | 2.2966 |
| 2010 | 2.4163 |
| 2011 | 2.3885 |
| 2012 | 2.3071 |
| 2013 | 2.3899 |
| 2014 | 2.4895 |
| 2015 | 2.5624 |
| 2016 | 2.7113 |
| 2017 | 2.6950 |
| 2018 | 2.7725 |
| 2019 | 2.8957 |
| 2020 | 2.9377 |
| 2021 | 2.9698 |
| 2022 | 2.8851 |
| 2023 | 2.9873 |
| 2024 | 2.9810 |
| 2025 | 2.8741 |