We note that although this performance improvement might appear to be modest, it is about as much as the difference between BL ∗ and BL-FR ∗ and, according to a permutation test, statistically highly significant (see Table 3 ).
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We note that although this performance improvement might appear to be modest, it is about as much as the difference between BL ∗ and BL-FR ∗ and, according to a permutation test, statistically highly significant (see Table 3 ).