Biasing functions b(k) (left panels) and r(k) (right panels) for all mock galaxy samples SM1 to SM6 and two redshift bins. The top figure is for the low-z samples (); the bottom figure for the high-z samples (). The shaded regions indicate the 68% and 95% PI of the reconstructed biasing functions. The red data points are the true biasing functions for comparison. For more visibility, weshifted the biasing functions by the constant value in the figure key.