xi_D [-],0,1.08,1.41,1.73,2.17,"2.17, location",2.71
"w_heap,mean",83.56283368,31.2714197,33.61398979,28.72739005,22.93103128,28.21930585,14.20363248
"w_heap,std",0.10755352,3.528711068,6.800734173,6.153815807,5.673791862,5.727733599,4.588845991