Creating Charts for the Web - Clojure Data Analysis - page 322

(let [lengths (map #(.-length %) data)
buckets (apply array
(map ->point
(get-buckets
lengths 10)))]
(array (webviz/Group. "Abalone Lengths" buckets))))

6. It is simple to initialize the chart. We just want a standard multibar chart,

as shown here:
(defn make-chart [] (.multiBarChart (.-models js/nv)))

7. Creating the chart just involves tying these together with create-chart :

(defn ^:export histogram []
(webviz/create-chart
"/histogram/data.json"
"#histogram svg"
make-chart
data->nv-groups
:transition true))

Now, when we visit http://localhost:3000/histogram , we can see the
following histogram: