 Solution

ID: past-exam-of-the-mathematical-and-computational-biology-course-of-the-university-of-cambridge/2025/paper-1/3/f/solution

The centred observation for D is

d = (3, 1, 2)^{T}

(u_{1}^{T} d, u_{2}^{T} d) = (2 + 2, 2) .

Normalizing the loadings matters: a direction alone does not fix the scale of the coordinates.

 New to topics? Read the docs here!