fanfanyuzhui的专栏

python 代码import pandas as pd from collections import defaultdict geo_df=pd.read_excel('path\geo.xlsx') geo_dict=defaultdict(list) for k,v in geo_df.values: geo_dict[k].append(v) for i,j in geo_dict

data df=pd.DataFrame({'Year':[2012,2013,2013,2014],'Value':[10,20,25,30]})--------------------------------- df Value Year 0 10 2012 1 20 2013 2 25 2013 3 30 2014 实现row_number的排名

Data Prepartion import pandas as pd import numpy as np df = pd.DataFrame({'A': [1, 1, 2, 2],'B': [1, 2, 3, 4],'C': np.random.randn(4)}) 2.先来一波正常聚合操作 1.求和 sum,计数(非去重:size 或者 len 都可以,去重的:pd.Se

import numpy as np import pandas as pd import seaborn as sns import folium import webbrowser from folium.plugins import HeatMap posi=pd.read_excel("/Users/mike/Desktop/heatmap.xlsx") num = 10 lat =...