+
−% ECDF calculate empirical cumulative distribution function
+
−%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
−% Description:
+
−% 
+
−% ECDF calculate empirical cumulative distribution function
+
−%
+
−% CALL:         b = ecdf(a, pl)
+
−% 
+
−% INPUT:       a: are real valued AO.
+
−% 
+
−% OUTPUT:      b: Empirical cumulative distribution
+
−%
+
−% 
+
−%
+
−% <a href="matlab:utils.helper.displayMethodInfo('ao', 'ecdf')">Parameters Description</a>
+
−%
+
−% VERSION:     $Id: ecdf.m,v 1.2 2011/07/08 13:13:14 luigi Exp $
+
−%
+
−%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
−
+
−function varargout = ecdf(varargin)
+
−
+
−  % Check if this is a call for parameters
+
−  if utils.helper.isinfocall(varargin{:})
+
−    varargout{1} = getInfo(varargin{3});
+
−    return
+
−  end
+
−
+
−  import utils.const.*
+
−  utils.helper.msg(msg.PROC3, 'running %s/%s', mfilename('class'), mfilename);
+
−
+
−  % Collect input variable names
+
−  in_names = cell(size(varargin));
+
−  for ii = 1:nargin,in_names{ii} = inputname(ii);end
+
−
+
−  % Collect all AOs and plists
+
−  [as, ao_invars]     = utils.helper.collect_objects(varargin(:), 'ao', in_names);
+
−  
+
−  if nargout == 0
+
−    error('### ECDF cannot be used as a modifier. Please provide an output variable.');
+
−  end
+
−  
+
−  
+
−  % Collect input histories
+
−  inhists = [as.hist];
+
−  
+
−  % Apply defaults to plist
+
−  pl = applyDefaults(getDefaultPlist, varargin{:});
+
−  
+
−  bs = ao.initObjectWithSize(1, numel(as));
+
−  % run over input aos
+
−  for ii=1:numel(bs)
+
−    
+
−    [F,X] = utils.math.ecdf(as(ii).y);
+
−    
+
−    bs(ii) = ao(plist('xvals', X, 'yvals', F));
+
−    bs(ii).setName(sprintf('ECDF(%s)',  as(ii).name));
+
−    bs(ii).addHistory(getInfo('None'), pl, ao_invars(ii), inhists(ii));
+
−  end
+
−  
+
−  % Set output
+
−  varargout = utils.helper.setoutputs(nargout, bs);
+
−  
+
−end
+
−
+
−
+
−%--------------------------------------------------------------------------
+
−% Get Info Object
+
−%--------------------------------------------------------------------------
+
−function ii = getInfo(varargin)
+
−  if nargin == 1 && strcmpi(varargin{1}, 'None')
+
−    sets = {};
+
−    pl   = [];
+
−  else
+
−    sets = {'Default'};
+
−    pl   = getDefaultPlist();
+
−  end
+
−  % Build info object
+
−  ii = minfo(mfilename, 'ao', 'ltpda', utils.const.categories.sigproc, '$Id: ecdf.m,v 1.2 2011/07/08 13:13:14 luigi Exp $', sets, pl);
+
−end
+
−
+
−%--------------------------------------------------------------------------
+
−% Get Default Plist
+
−%--------------------------------------------------------------------------
+
−function plout = getDefaultPlist()
+
−  persistent pl;  
+
−  if ~exist('pl', 'var') || isempty(pl)
+
−    pl = buildplist();
+
−  end
+
−  plout = pl;  
+
−end
+
−
+
−function plo = buildplist()
+
−  plo = plist();
+
−  
+
−
+
−end