How do I tell FLOT to NOT use 0 as the default minimum for the Y axis in a bar chart?
===

I am using the FLOT charting library to plot calories consumed over time. I would like the y-axis to use autoscaling (to just show values that are +/- the min and max in the dataset).

However, the chart always uses 0 as the minimum for my bar chart rather than autoscaling the y-axis values.  Here is my code:

    function DrawCalorieChart(calorieData) {
        plot = $.plot($("#CalorieHistoryChart"), [calorieData],
        {
            series: {
                bars: { show: true, barWidth: 0.8, align: "center" }
            },
	        legend: {
	            show: false
	        },
            xaxis: { tickDecimals: 0, tickSize: 1, mode: "categories", tickLength: 0 },
            yaxis: { autoscaleMargin: 0.025 },
            grid: { labelMargin: 10 }
        });
    }

I can manually set a minimum value but the problem is that I don't know what the minimum might be after new data is entered.  I have tried removing the yaxis spec altogether, setting an autoscaleMargin (as shown) and setting the min to null.  But nothing works - the minimum is either a static value or zero!  Any help would be greatly appreciated.