Walking on a tree

Journal Club – 2014.07.24Leo Martins

Problem: compare e.g. body mass (X) with speed (Y)

Problem: compare e.g. body mass (X) with speed (Y)

Problem: compare e.g. body mass (X) with speed (Y)

Correlation between traits red and yellow is spurious

Correlation between traits red and yellow is significant

Solution: for each trait, calculate the constrasts

Solution: for each trait, calculate the constrasts

Brownian motion

Solution: for each trait, calculate the constrasts

Brownian motion

Solution: for each trait, calculate the constrasts

Brownian motion

Solution: for each trait, calculate the constrasts

Brownian motion

Now we know what went wrong

Other Markov processes on trees

Other Markov processes on trees

Other Markov processes on trees

Other Markov processes on trees

Other Markov processes on trees