A plot of the histograms of the runtimes at a the
target function value of the DataSetList
Arguments
dsList
A DataSetList (should consist of only one function and dimension).
ftarget
The target function value.
plot_mode
How to plot the different hisograms for each algorithm. Can be either
'overlay' to show all algorithms on one plot, or 'subplot' to have one plot per algorithm.
use.equal.bins
Whether to determine one bin size for all plots or have individual
bin sizes for each algorithm