public void cubicInterpolation(){
        if(this.nAnalyteConcns<2)throw new IllegalArgumentException("Method cubicInterpolation requres at least 2 data points; only " + this.nAnalyteConcns + " were supplied");
        this.methodUsed = 1;
        this.sampleErrorFlag = false;
        this.titleOne = "Cubic interpolation ";
        if(!this.setDataOneDone)this.setDataOne();
        this.ci = new CubicInterpolation(this.analyteConcns, this.responses, 0);
        for(int i=0; i<this.nInterp; i++)this.calculatedResponses[i] = ci.interpolate(this.interpolationConcns[i]);
        if(!this.supressPlot)this.plott();
        this.curveCheck(this.methodIndices[this.methodUsed]);
    }