https://www.ncl.ucar.edu/Document/Functions/Built-in/eofunc_n.shtml
eofunc_n
NCL built-in functions (empirical orthogonal functions)
n
https://www.ncl.ucar.edu/Document/Functions/Contributed/eofunc_north.shtml
eofunc_north
NCL contributed.ncl functions (empirical orthogonal functions)
north
https://www.ncl.ucar.edu/Document/Functions/Contributed/eofunc_ts_Wrap.shtml
eofunc_ts_Wrap
NCL contributed.ncl functions (empirical orthogonal functions)
tswrap
https://www.ncl.ucar.edu/Document/Functions/Contributed/eofunc_ts_n_Wrap.shtml
eofunc_ts_n_Wrap
NCL contributed.ncl functions (empirical orthogonal functions)
tsnwrap
https://www.ncl.ucar.edu/Document/Functions/Contributed/eofunc_varimax_Wrap.shtml
eofunc_varimax_Wrap
NCL contributed.ncl functions (empirical orthogonal functions)
wrap