function f = frequency(o)

% Returns the frequency of a dseries object.
%
% INPUTS
% - o   [dseries]
%
% OUPUTS
% - f   [integer]  1 (annual), 4 (quarterly), 12 (monthly)

% Copyright (C) 2014-2017 Dynare Team
%
% This file is part of Dynare.
%
% Dynare is free software: you can redistribute it and/or modify
% it under the terms of the GNU General Public License as published by
% the Free Software Foundation, either version 3 of the License, or
% (at your option) any later version.
%
% Dynare is distributed in the hope that it will be useful,
% but WITHOUT ANY WARRANTY; without even the implied warranty of
% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
% GNU General Public License for more details.
%
% You should have received a copy of the GNU General Public License
% along with Dynare.  If not, see <http://www.gnu.org/licenses/>.

f = o.dates.freq;