UI

Pick one question class and build an exploratory visualization interface for it. The question class you pick must have at least three variables that can be changed.
(Question class)

X

Y

Z

Data is not loaded yet
items = 'not loaded yet'

$.get('http://bigdatahci2015.github.io/data/yelp/yelp_academic_dataset_business.5000.json.lines.txt')
    .success(function(data){        
        var lines = data.trim().split('\n')

        // convert text lines to json arrays and save them in `items`
        items = _.map(lines, JSON.parse)

        console.log('number of items loaded:', items.length)

        console.log('first item', items[0])
     })
     .error(function(e){
         console.error(e)
     })

function viz(arg1, arg2, arg3){    

    // define a template string
    var tplString = '<g transform="translate(0 ${d.y})"> \
                    <rect x="30"   \
                         width="${d.width}" \
                         height="20"    \
                         style="fill:${d.color};    \
                                stroke-width:3; \
                                stroke:rgb(0,0,0)" />   \
                    <text y="20">${d.label}</text> \
                    </g>'

    
    // compile the string to get a template function
    var template = _.template(tplString)

    function computeX(d, i) {
        return 0
    }

    function computeWidth(d, i) {        
        return d[1].length/2
    }

    function computeY(d, i) {
        return i * 20
    }

    function computeColor(d, i) {
        return 'red'
    }

    function computeLabel(d, i) {
        return d[0] + ": "+ d[1].length
    }
    console.log('hello')
    bus = _.filter(items, function(d){
    return d.state == arg3})
    
    
    //filter by stars.
    bus = _.filter(bus, function(d){
    return d.stars >= arg2})
    
    //filter by reviw count
     bus = _.filter(bus, function(d){
    return d.review_count >= arg1})
    
    bus = _.groupBy(bus, 'city')
    bus = _.pairs(bus)
    bus = _.sortBy(bus, function(d){return d[1].length}).reverse()
    console.log('stars', _.pluck(bus,'stars'))
    // TODO: modify the logic here based on your UI
    // take the first 20 bus to visualize    
    bus = _.take(bus, 20)
    

    var viz = _.map(bus, function(d, i){                
                return {
                    x: computeX(d, i),
                    y: computeY(d, i),
                    width: computeWidth(d, i),
                    color: computeColor(d, i),
                    label: computeLabel(d, i)
                }
             })
    console.log('viz', viz)

    var result = _.map(viz, function(d){
             // invoke the compiled template function on each viz data
             return template({d: d})
         })
    console.log('result', result)

    $('.myviz').html('<svg width="100%" height="100%">' + result + '</svg>')
}

$('button#viz').click(function(){    
    var arg1 = $('input#arg1').val()
    var arg2 = $('input#arg2').val()    
    var arg3 = $('input#arg3').val()    
    viz(arg1, arg2, arg3)
})
Authors

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