Fig. 1.

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Properties of training and validation samples. Top: colour-mass diagram of galaxies in eCALIFA survey. We show the observed (g − r) colour in function of the stellar mass for both training and test samples. Density contours are drawn in red. Bottom: bar plot highlights the count of galaxies across different morphological categories, that is, E, S0, Sa, Sb, Sc, Sd, I, and BCD.
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