Figure 2From: Principal component analysis for designed experimentsEffect of training data on the scaled principal components for items. A. Results of the original method, corresponding to Figure 1A, showing the two clusters, CL1 and CL2. B. Axes were found in the training data, corresponding to Figure 1C. C. Expression levels of five genes randomly selected from CL1. D. Those selected from CL2, showing higher within group variances.Back to article page