Multi Skill Expiry Date Check ^new^ Official

where ( \delta ) is a (e.g., 30 days).

[ R_\textteam = \sum_i=1^n \sum_j=1^S_i w_ij \cdot \mathbf1 t ij < t_now + \delta ] multi skill expiry date check

If ( t_ij < t_now ), the skill is . If between ( t_now ) and ( t_now + \delta ), it is critical . Otherwise valid . 2.3 Multi-dimensional expiry risk The aggregate skill expiry risk for a team/department is: where ( \delta ) is a (e