Fig. 4.

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Fraction of PS and NPS sources in redshift (z) bins for the full radio AGN sample. The fraction is the number of PS (or NPS) sources divided by the total number of sources in the bin (of all spectral shapes). The horizontal error bars show widths of the redshift bins used to estimate the fraction and the vertical error bars show uncertainties on the fraction of PS and NPS sources in the bin.
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