Load data in d3

Asset.js

var dataset; // declare a global var to hold data
d3.csv("data/univar.csv", function(error, data) {

    if(error) {
        console.log(error);
    }
    else {
        console.log(data);
    }

    // these functions now depend on the data
    dataset = data;
    // generate_dviz();
    // hideLoadingMsg();

})