2008-11-15  Andreas J. Guelzow <aguelzow@pyrshep.ca>

	* kaplan-meier.glade: add median checkbox
	* dialog-analysis-tool-kaplan-meier.c (kaplan_meier_tool_ok_clicked_cb): 
	  handle median checkbox 
	
2008-11-15  Andreas J. Guelzow <aguelzow@pyrshep.ca>

	* analysis-kaplan-meier.c (analysis_tool_kaplan_meier_engine_run):
	  calculate median survival times
	(analysis_tool_kaplan_meier_engine): properly dispose of all data
	  and adjust dao size for median output
	* analysis-kaplan-meier.h (analysis_tools_data_kaplan_meier_t): add 
	  new field



svn path=/trunk/; revision=16965