Figure 5.

Distribution of genes kept after GFS normalisation. Only genes between the lines are kept, whereas genes on the right side of the ${\theta }_1$ line or on the left side of the ${\theta }_2$ line are transformed into 1 or 0, respectively. Values of ${\theta }_1$ and ${\theta }_2$ were based on original GFS paper, which claimed to have good performance on separating samples from different batches with different diseases.