matsen / pplacer

Phylogenetic placement and downstream analysis
http://matsen.fredhutch.org/pplacer/
GNU General Public License v3.0
75 stars 18 forks source link

make a one-parameter family of functions generalizing wpd #147

Closed matsen closed 13 years ago

matsen commented 13 years ago

In fact, we can generalize this to a one-parameter family as follows:

Let $f\alpha(x) = (2x)^\alpha$, then [ \wpd\alpha = \sums \ell(s) \, \min(f\alpha(\mu(D(s))),f_\alpha(\mu(P(s)))). ]