If ZeroMean=>true then the integer of given Height values are randomly chosen with a zero mean
i1 : randomChainComplex({20,20},{20},ZeroMean=>true) 40 40 o1 = ZZ <-- ZZ 0 1 o1 : Complex
The object ZeroMean is a symbol.
The source of this document is in RandomComplexes.m2:519:0.