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Incremental effects of altered sampling intensity on sensitivity (left) and 1-specificity (right) using discriminative indexes from 10-min sampling as the standard. No difference from 10-min results is indicated by the dotted line. Positive values for sensitivity increments denote a decline in sensitivity and vice versa for 1-specificity. Each point is the mean (± SD) change from 10-min data calculated from 20 time series. Pulse selection was done using AIC (○) and BIC (•).
