function [average,variance,meanCrossings,derivativeZeroCrossings] = calculateForTimeWindow(sampleSize,d)
    [height,~]=size(d);
    parts = (ceil(height/sampleSize));
    cells = mat2cell(d, size(d,1)/parts.*ones(parts,1), 5);
    average = cellfun(@mean,cells,'UniformOutput',false);
    variance = cellfun(@var,cells,'UniformOutput',false);
    zcd = dsp.ZeroCrossingDetector;
    meanCrossings = cellfun(@(x,idx) zcd(x-average{idx}),cells,transpose(num2cell(1:parts)),'UniformOutput',false);
    release(zcd);
    derivativeZeroCrossings = cellfun(@(x) zcd(diff(x)/(1/sampleSize)),cells,'UniformOutput',false);
end