Openings are framed with jamb studs and lintels or ring beams; jack studs match common studs (or are nail-laminated); at least 15 mm clearance is left between the lintel, ring beam or trimmer and the window or door frame head; continuous lintels under top plates house the studs; a ring beam may replace the top plate only when designed alone.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.