Fig. 2
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Histograms of the ratio (top) and slope (bottom) of the quasar spectra between the rest frame wavelengths λ = 1800 Å and λ = 1450 Å for the WEAVE mock catalog (purple) and the DESI EDR (green). The unfilled histograms show the distributions of the parent samples, while the filled histograms show the distributions of the final samples after all the data selections.
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