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Table 2 Pearson correlation matrix of four spectra from patient Y. Column "Mean" lists the average Pearson correlation coefficients of each spectrum to other spectra.

From: Quality control and quality assessment of data from surface-enhanced laser desorption/ionization (SELDI) time-of flight (TOF) mass spectrometry (MS)

 

Spectrum 1

Spectrum 2

Spectrum 3

Spectrum 4

Mean

Spectrum 1

1

0.974029

0.832734

0.973365

0.945032

Spectrum 2

0.974029

1

0.857734

0.979373

0.952784

Spectrum 3

0.832734

0.857734

1

0.897082

0.896888

Spectrum 4

0.973365

0.979373

0.897082

1

0.962455