/*------------------------------------------------------------------------------*
 * File Name: ComputeStatsOnRows.c												*
 * Creation: ER, 01/17/05														*
 * Purpose: Programming Example													*
 * Copyright (c) OriginLab Corp.2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010	*
 * All Rights Reserved															*
 * 																				*
 * Modification Log:															*
 *------------------------------------------------------------------------------*/
 
#include <Origin.h>

/////////////////////////////////////////////////////////////////////////////////
// This example shows how to get part of a dataset and then compute statistics on
// rows with the data
//
// NOTE: It is assumed that a worksheet with data is active.
//

void coompute_stats_on_rows()
{
	// Declare worksheet and check validity
	Worksheet wks = Project.ActiveLayer();
	if( !wks ) return;

	// Construct data range rows from 5 to 10 for all columns
	DataRange dr;
	int r1 = 4, c1 = 0, r2 = 9, c2 = -1;
	dr.Add("X", wks, r1, c1, r2, c2); // Range name shoule be make sense, like X, Y, Z
	
	// Get data from the specified rows
	matrix mData;
	DWORD dwRules = DRR_BY_ROWS | DRR_GET_MISSING | DRR_NO_FACTORS | DRR_NO_WEIGHTS;
	int nDataIndex = 0;
	int			nn = dr.GetData(dwRules, nDataIndex, NULL, NULL, NULL, NULL, &mData);
	if(nn < 0)
	{
		out_str("Failed to GetData from data range");
		return;
	}
	
	// Compute statistics on rows for the data in mData
	double dMean, dSD, dSem, dLCL, dUCL, dVariance, dSDx2;	
	if(OE_NOERROR == ocmath_row_desc_stats_ex(mData.GetNumRows(), mData.GetNumCols(), 
				mData, &dMean, &dSD, &dSem, NULL, NULL, NULL, NULL, &dLCL, &dUCL, 
				&dVariance, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 
				NULL, NULL, NULL, &dSDx2) )
	{
		printf("Mean = %lf\n", dMean);
		printf("SD = %lf\n", dSD);
		printf("Sem = %lf\n", dSem);
		printf("LCL = %lf\n", dLCL);
		printf("UCL = %lf\n", dUCL);
		printf("Variance = %lf\n", dVariance);
		printf("SDx2 = %lf\n", dSDx2);					
	}

}
/////////////////////////////////////////////////////////////////////////////////