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Fig. 1 | BMC Bioinformatics

Fig. 1

From: Lag penalized weighted correlation for time series clustering

Fig. 1

A simple artificial clustering task with four genes and timepoints at 0, 5, 15, 30, 45, 60, 75, and 90 min. Each of the genes has a sharp rise and fall in expression, which occurs at a different timepoint. Genes 1 and 2 both have late spikes and intuitively should be clustered together. Genes 3 and 4 are both early. Several widely used clustering methods group the genes into two clusters, but only LPWC groups the early and late genes correctly. The colored dots in the table represent the different genes

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