Peak function from different studied cases. Blue circles, red squares, and green diamonds respectively show the mean peak density over 2000 realizations in Cases 1–3. The error bars are rescaled to correspond to a survey of 1080 deg². The filter size is 2.4 arcmin. The input cosmology is . We can see that the impact of not modeling the inversion is small. Between two inversion techniques, there is only a slight difference.