Sentence examples for between array comparisons and from inspiring English sources

Data quality control was from raw data in CEL files using the affyQCreport package [ 22] of Bioconductor [ 23], which provided Affymetrix recommended quality metrics, per array intensity distributions, between array comparisons, and other diagnostic plots for each hybridization.

"Quantile" normalisation was used to ensure that log ratios have the same empirical distribution across arrays which facilitates between array comparisons.

The resulting data indicate that the variability between LDAs within a batch is low, with correlation coefficients for between array comparisons all being greater than 0.96.

No between-array normalization was performed; where between-array comparisons are made, we specify the steps taken to scale the arrays in question.

To enable between-array comparisons, when we have resisted performing between-array normalizations, we summarize for the HapMap-HapMap comparisons the variance of replicate probes scaled by the mean difference in log-ratios observed in chromosomes X and 13, a difference that should be 1 for this comparison.

Between array comparison: Figure 1d shows a heatmap of between array distances, computed as the mean absolute difference of the M-value for each pair of arrays (1) where M xi is the M-value of the i-th probe on the x-th array.

Data were then log2-transformed and normalized for between-array comparison using quantile normalization [ 18].

The latter indicated a false negative rate of 14.5% for deletions and 19% for gains, substantially lower than those obtained from the between-array comparison.

Variations in the kdr gene and in another region on chromosome 2R were also detected in a genome-wide array comparison between the M- and S-forms [24].

Comparison between array experiment and real-time PCR for 8 selected genes is shown.

A comparison between array CGH and SNP array revealed that the overall concordance in detection of the same areas with copy number alterations (CNA) was above 90%.