The Resource tab lists the resources that have the skill and shows their level. The Projects tab lists the projects that require the skill and the level that is needed. In each case, you can change the skill level and can click:
•Add Resources/Projects and then select one or more (selection is described at Searching and Filters.
•Copy From to copy resources or projects from a similar skill (refer to Searching and Filters. These settings replace previous selections.
•Remove, after checking one or more records, to delete those that no longer apply.