Reversible jump MCMC approach for peak identification for stroke SELDI mass spectrometry using mixture model.

Stroke data has several characteristics: peaks in the low m / z region tended to have a small peak width which looked sharp and peaks in the high m / z region tended to have a large peak width which looked broad; sometimes peaks were too close and together they combined to a wider peak; noise intensity was decreased while m / z was increasing and peak intensity generally followed a decreasing trend from low m / z to high m / z (Vestal and Juhasz, 1998 ).

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