手元にあったFitbitの心拍データの読み込み

read_fitbit_hr_json_data.py

import matplotlib.pyplot as plt
import pandas as pd
import glob
%matplotlib inline

csv_files_hr = glob.glob('HR/*.json')
heart_df = pd.DataFrame()

for f in csv_files_hr:
    hr = pd.read_json(f,typ='series')
    hr.to_dict()
    date = pd.DataFrame.from_dict(hr['activities-heart']).dateTime[0]
    temp = pd.DataFrame.from_dict(hr['activities-heart-intraday']['dataset'])
    temp.index = pd.to_datetime([date + " " + t for t in temp.time])
    heart_df = pd.concat([heart_df,temp])
    
heart_df.plot(y="value", figsize=(20,5))