In [3]:

    

import altair.vegalite.v2 as vl
from altair.datasets import load_dataset


    

In [4]:

    

cars = load_dataset('cars')


    

In [5]:

    

cars.head()


    

    
Out[5]:







  

    

      

      
Acceleration
      
Cylinders
      
Displacement
      
Horsepower
      
Miles_per_Gallon
      
Name
      
Origin
      
Weight_in_lbs
      
Year
    
  
  

    

      
0
      
12.0
      
8
      
307.0
      
130.0
      
18.0
      
chevrolet chevelle malibu
      
USA
      
3504
      
1970-01-01
    
    

      
1
      
11.5
      
8
      
350.0
      
165.0
      
15.0
      
buick skylark 320
      
USA
      
3693
      
1970-01-01
    
    

      
2
      
11.0
      
8
      
318.0
      
150.0
      
18.0
      
plymouth satellite
      
USA
      
3436
      
1970-01-01
    
    

      
3
      
12.0
      
8
      
304.0
      
150.0
      
16.0
      
amc rebel sst
      
USA
      
3433
      
1970-01-01
    
    

      
4
      
10.5
      
8
      
302.0
      
140.0
      
17.0
      
ford torino
      
USA
      
3449
      
1970-01-01
    
  

In [6]:

    

vl.data_transformers.enable('json')


    

In [13]:

    

spec = {
    'data': vl.pipe(cars, vl.data_transformers.get()),
    'encoding': {
        'x': {'type': 'quantitative', 'field': 'Acceleration'},
        'y': {'type': 'quantitative', 'field': 'Displacement'},        
    },
    'mark': 'circle',
    'width': 400,
    'height': 300
}


    

In [14]:

    

vl.renderers.get()(spec)


    

    
Out[14]:





({'application/vnd.vegalite.v2+json': {'data': {'format': {'type': 'json'},
    'url': '/files/demo/altair-data-b86a7fce-ae41-4650-9b71-762db9f959de.json'},
   'encoding': {'x': {'field': 'Acceleration', 'type': 'quantitative'},
    'y': {'field': 'Displacement', 'type': 'quantitative'}},
   'height': 300,
   'mark': 'circle',
   'width': 400},
  'text/plain': '<VegaLite 2 object>'},
 {})

In [15]:

    

vl.vegalite(spec, validate=True)


    

    






<VegaLite 2 object>

In [16]:

    

vl.renderers.enable('json')


    

In [17]:

    

vl.vegalite(spec, validate=True)


    

    






<VegaLite 2 object>