| Kendall tau rank correlations for all pairs of data series | ||
| pair | tau | p-value |
| tau( IPERS , PPERS ) | -0.101983002832861 | 0.250854700475217 |
| tau( IPERS , PB ) | -0.0173190648804127 | 0.847895373350262 |
| tau( IPERS , PD ) | -0.0115767282004633 | 0.89819353781632 |
| tau( PPERS , PB ) | 0.472810471235267 | 1.63924596119358e-07 |
| tau( PPERS , PD ) | 0.402291304966099 | 8.74910111048344e-06 |
| tau( PB , PD ) | 0.797997502448783 | 0 |
