Overview of iCheck | Exclude failed arrays | Check QC probes | Check squared correlations among genetic control (GC) arrays | Exclude GC arrays | Check squared correlations among replicated arrays | Obtain plot of estimated density for each array | Obtain plot of quantiles across arrays | Exclude gene probes with outlying expression levels | Obtain plot of the ratio (p95/p05) of 95-th percentile to 5-th percentile across arrays | Exclude arrays with p95/p056 | Obtain Plot of principal components | Perform background correction, data transformation and normalization | Obtain Plot of principal components for pre-processed data | Incorporate phenotype data | Data analysis | Result Visualization | Session Info