Figure 2
From: SNEP: Simultaneous detection of nucleotide and expression polymorphisms using Affymetrix GeneChip
Estimate of the probe effect ( λ j - λ ). The x-axis indicates the 11 probes. The y-axis denotes the estimate of the probe effect from Figure 1(b). The dashed and solid lines correspond to the robust estimate and the standard estimate (maximum likelihood estimate), respectively.