validateData(datasets, samples, constants, validData)

function validData = validateData(datasets, samples, constants, validData)

valid = [true true];

numSampleType = 1 + ~strcmp(samples{2}, ''); % number of sample dataset types are 2: training and classify datasets
for i = 1:numSampleType
	if ~validData.valid(i) 
        rows = 0;
        switch(samples{i})
        case 'Training Sample'
            for j = 1:constants.numGrp
                rows= rows + constants.numElemPerGrp(j);
		    end
        case 'Classify Sample'
            rows = constants.classifySampleSize;
        end
        
		if any(size(datasets{i})~=[rows,constants.numVar])
			valid(i) = false;
            options.Resize='on';
            Title = 'Data dimensions are not in conformity with user inputted ones';
			reinput = questdlg(sprintf('Do you wish to reinput your Data Input Info for the %s?' , samples{i}), Title, 'Yes','No', 'Yes');			
			switch reinput
                case 'Yes'
                    validData.reInputDataInfo = true;
                case 'No'
                    validData.reInputDataInfo = false;
                otherwise
                    warndlg('No option selected','ATTENTION')
            end
        end   
	end
end

validData.valid = valid;