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. Author manuscript; available in PMC: 2009 Mar 30.
Published in final edited form as: Int J Mass Spectrom. 2007 Jan 1;259(1-3):105–116. doi: 10.1016/j.ijms.2006.08.004

Fig. 4.

Fig. 4

Scatter plots on a linear scale and correlation statistics for spectral counts from three technical replicates of PG_PP, showing repeatability of the spectral count method. Each data point represents the number of peptide MS1 spectra retained for each protein. These plots were generated in S-PLUS 6.0 (www.insightful.com) for proteins commonly identified in all three runs.