best value for fixed seed of RandStream

Is there any rule of thumb as what to select for fixed seed in RandStream in MATLAB? I am using it for randomly picking samples in 10 split linear discriminant analysis and depending on what I select for seed, I get quite diffent LDA_CCR_mean values (here CCR stands for correct classification rate and LDA_CCR_mean is mean value of CCR across 10 splits).

s = RandStream('mt19937ar','Seed', split*2);

Additionally, I chose mt19937ar based on the first example on RandStream documentation. How do I know what other value should be chosen? Or what value will serve best for my application/algorithm?