Figure 4  Sources of False Positives
(A) Scatter plot of points for the FIP1L1 gene and the line representing the robust regression estimate.
(B) Boxed point “a” represents a significant “outlier” (with a significantly different studentized residual and low leverage). Boxed point “b” represents a “high leverage” point (low studentized residual and a high leverage). Boxed point “c” represents a “high influence” point (high studentized residual, high leverage, and high influence).
(C) Scatter plot of points for the CLCN2 gene. Boxed points represent “high leverage” points.
(D) Scatter plot of points for the ABCA3 gene. Boxed points represent “high influence” points.