--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/m-toolbox/classes/@ao/ecdf.m	Wed Nov 23 19:22:13 2011 +0100
@@ -0,0 +1,97 @@
+% 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