Make another interesting plot using this data.

vega-lite_exercise 3

{
  "$schema": "https://vega.github.io/schema/vega-lite/v4.json",
  "description": "Assignment 3rd graph",
  "width": 400,
  "height": 400,
  "padding": 5,

  "data": { 
    "url": "https://raw.githubusercontent.com/vda-lab/vda-lab.github.io/master/assets/station_366.json"
  },

  "transform": [
    {"calculate": "2011-datum.birthyear", "as": "age"},
    {"filter": 
      {
      "and": [{"field": "gender", "gt": 0}, {"field": "age", "lt": 80}]
      }
    }
  ],

  "mark": {"type": "bar", "cornerRadiusTopLeft": 3, "cornerRadiusTopRight": 3},
  "encoding": {
    "x": {
      "field": "age", 
      "bin": {"maxbins": 40},
      "type": "quantitative"
    },
    "y": {
      "field": "tripduration", 
      "aggregate": "count",
      "type": "quantitative"
    },
    "color": {"field": "gender", "type": "nominal"}
  }

}