Default 'bin-linear' scale for binned size and opacity channels. Note: Symbols use discretized opacity here so why doesn't the legend feature opacity?Default 'bin-ordinal' scale for discretized legendQuantile scale. Legend categories should be <43, 43-53, 53-81 and >=81.Quantize scale. Legend categories should be <37, 37-55, 55-73 and >=73.Threshold scale. Legend categories should be <30, 30-70 and >=70.