import pandas as pd
import altair as alt

if not alt.data_transformers.active == 'json':  # Check json isn't already active
    import os
    # Make a temp folder to put these json files in - Altair creates a lot of them!
    dataset_temp_name = 'altair-temp-data/'
    if not os.path.exists(dataset_temp_name):
        # if the folder doesn't exist, create it
        os.mkdir(dataset_temp_name)
    # Tell Altair to temporary save datasets it needs to that folder
    alt.data_transformers.enable('json', prefix=dataset_temp_name)
alt.renderers.enable('default')

from scipy import stats

import random
import numpy as np

import pandas as pd

%matplotlib inline
from matplotlib import pyplot as plt