Sentence examples for batch effects were observed from inspiring English sources
No major batch effects were observed for the two TCGA breast cancer data sets [ 35].
In the resulting UNC337 matrix, no significant batch effects were observed.
Unsupervised hierarchical clustering (Pearson correlation and Ward linkage) and principal components analysis were used to search for batch effects, but no significant batch effects were observed.
Unsupervised cluster results showed cluster of cell line type rather than sequencing batch which suggested that the RNAseq data of these two cell lines were similar; no severe heterogeneity and batch effect were observed.
Figure 6b shows the PCA plot for the corrected data where no batch effect is observed.
A clear batch-specific effect was observed in the raw data when the correlations of identical UHRR samples were assessed over all available pairs across the five runs processed on different days as illustrated in Figure 1.
To rule out an inert batch of AG, we conducted a bioassay of our batch using an ob/ob mouse model and a hypoglycemic effect was observed, suggesting that our batch possessed some active components.
Based on the assessment of technical artifacts using principal component analyses, a plate effect was observed within each of the three batches and a chip within batch effect for the HumanMethylation27 data (Additional file 1: Figure S1).
This effect was observed at low ozone dosages in semi-batch and pilot experiments as well as in batch experiments, where mass transfer from gas to liquid phase is not limiting.
