However, if the underlying signal is sparse and β < α, all considered sparse PCA methods can consistently estimate the first loadings vector and become marginally consistent for β = α (Fig. 1a e).
It is sparse and rough and beautiful.
The novel is sparse and calm.
The room is sparse and needs painting.
The prose in Silence Once Begun is sparse and lucid.
However, accurate population estimates are sparse although such information is necessary to monitor potential changes in the Antarctic ecosystem.
Reliable estimates are sparse on how fast they've grown, but there are now 1000s of startups in Africa expanding across multiple sectors; from fintech and e-commerce to agtech and logistics.
That is, as compared with its popular L2-norm counterpart, L1-norm optimization produces better results when the parameters to be estimated are sparse [9].
However, contemporary cancer burden estimates in this population are sparse and do not account for the high competing risk of death characteristic of dialysis patients.
Investigations of these and other variables for estimating miombo AGB appear to be sparse, and further exploration is warranted.
