powered by
select a subset of picks from a larger data base
selAPX(APX, ista = NULL, icomp = c("V", "N", "E")) selWPX(APX, ind=NULL, ista = NULL, icomp = c("V", "N", "E"))
returns subset list
Pick Data Frame
vector of stations to select
vector of components
index of picks to select (negitive values imply omission)
Jonathan M. Lees<jonathan.lees.edu>