var prices_csv = function()
{
    var parse = d3.time.format("%m/%d/%Y").parse;
    d3.csv("prices.csv", function(prices)
    {
        //prices is an array of json objects containing the data in from the csv
        console.log("prices:", prices)
        data = prices.map(function(d)
        {
            //each d is one line of the csv file represented as a json object
            console.log("d", d)
            month = parse(d.month).getMonth();
            console.log("month:", d.month, month)
            //we slice the dollar sign off then convert to a number with the + sign
            //slicing works like "$216".slice(1) gives you 216,
            //you can also give it a range like "$216 asdf".slice(1,4) gives you 216
            p = d.price
            price = +p.slice(1)
            console.log("price:", p, price);
            return {"month": month, "value":price} ;
        })
        console.log("data", data)
        bars(data);
    })
}
var trans_csv = function()
{
    var parse = d3.time.format("%m/%d/%Y").parse;
    d3.csv("trans.csv", function(trans)
    {
        //prices is an array of json objects containing the data in from the csv
        console.log("trans:", trans)
        data = trans.map(function(d)
        {
            //each d is one line of the csv file represented as a json object
            console.log("d", d)
            summer = +d.Summer
            winter = +d.Winter
            return {
                //"winter": winter,
                //"summer": summer
                "value":winter
            }
        })
        console.log("data", data)
        bars(data);
    })
}