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Table 1 P-call definition

From: The IronChip evaluation package: a package of perl modules for robust analysis of custom microarrays

Feature P-call

Conditions

P

The signal intensity is higher than the background cut-off value in both channels

M

The signal intensity is higher than the background cut off value in one channel and lower in the other channel

A

The signal intensity is lower than the background cut off in both channels

  1. Definition of a P-call flag (at the feature level) to distinguish bona fide signals from background noise