By sampling from the vertices of an n-dimensional standard simplex, optionally with (but by default without) the origin, adding noise yields, in effect, a Gaussian cluster sampler. Such a sample from the 1-simplex (with the origin) is visualized here (Figure 11, page 38 in v2, page 44 in v3).
By sampling from the vertices of an n-dimensional standard simplex, optionally with (but by default without) the origin, adding noise yields, in effect, a Gaussian cluster sampler. Such a sample from the 1-simplex (with the origin) is visualized here (Figure 11, page 38 in v2, page 44 in v3).