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.
1 any of various things or parts on which a person or thing treads, stands, or moves. 2  the part of the under surface of the foot or of a shoe that touches the ground. 3  the horizontal upper surface of a step in a stair, on which the foot is placed.  the part of a wheel, tire, or runner that bears on the road, rail, etc.