Create README.md

track data in package with normal git, not lfs

update figure format for resubmission to plos

add panel labels for fig 1

update data set description

update before sub, plus much later small change

update to new figures

extend control of order of detrending to acf_roll

fix naming in package data

detrending; allow poly order 0; args to control

change default for ac1 to NOT detrend

use MARSS interpolated data

ignore .DS_Store

reduce polynomial order when detrending

ensure searching for at least p = 2