In the first case, there is a strong upward-sloping relationship between X and Y; in the second case, no apparent relationship; in the third case, a strong downward-sloping relationship. Note the ...

Polygenic risk of anthracycline-related cardiomyopathy in childhood cancer survivors: Report from children’s oncology group and childhood cancer survivor study.

Correlation doesn't imply causation. You've probably heard that before. It's a true statement that's important in statistical analysis—if more tall people own cats, that doesn't mean that cats cause ...