The effects on the outcome of the change in one factor may depend on the level of the other factor, so we need to consider the interactions between two factors. Two way ANOVA is an appropriate method to analyze the main effects of and interactions between two factors. Minimum Origin Version Required: Origin 2016 SR0.
Nosing â An edge part of the tread that protrudes over the riser beneath. If it is present, this means that, measured horizontally, the total ârunâ length of the stairs is not simply the sum of the tread lengths, as the treads actually overlap each other slightly.
Deck/sheathing: The surface, usually plywood or oriented strand board (OSB), to which roofing materials are applied. Dormer: A small structure projecting from a sloped roof, usually with a window. Downspout: A pipe for draining water from roof gutters. Also called a leader. Drip edge: An L-shaped strip (usually metal) installed along roof edges to allow water run off to drip clear of the deck, eaves and siding. Eave: The horizontal lower edge of a sloped roof.