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Fig. 6.

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Distribution of fractional errors on Plin(k, a, θ) as a function of k for the extended cosmological models considered in this work (left) and for ΛCDM (right). The bands given the 1 and 2σ values across the LH (Table 1), with the dashed lines indicating 1% error. When averaged over k, we find that our expressions have a root mean squared error of 0.28% for the extended cosmology, and 0.41% for ΛCDM.

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