将函数应用于datafram

Question

我有一个地理定位功能，我想应用到不同的熊猫数据帧，我通过使用其他一些功能得到。 我想做这样的事，但我不知道怎么做：

deadly.apply(geolocation())

这是读取熊猫的代码：

import pandas as pd
import math

names = ["ID", "Vreme", "E", "N", "Ishod", "Tip", "Opis"]
my_dataFrame = pd.read_csv("SaobracajBeograd.csv",  header = None, names = names)

这是我要应用的函数：

def geolocation():

    #extract only coordinates and convert them to tuple
    coordinates_data = my_dataFrame[["N", "E"]]
    coordinates_data = coordinates_data.apply(tuple, axis=1)

    #add tuple coordinates to list
    coordinate_list = []
    for coord in coordinates_data:
        coordinate_list.append(coord)

    #defult map location
    gmap = gmplot.GoogleMapPlotter(44.797140, 20.513460, 11)

    # Scatter points
    coordinate_lats, coordinate_lons = zip(*coordinate_list)
    gmap.scatter(coordinate_lats, coordinate_lons, 'red', size = 150, marker = False)

    # Draw
    gmap.draw("my_map1.html")

#geolocation()

这个函数给了我数据帧，我想用它来应用这个函数，这个函数的结果是：

def accidents_with_deadly_outcome():

    deadly = my_dataFrame[my_dataFrame["Ishod"] == "Sa poginulim"]
    deadly = deadly[["Ishod", "E", "N"]].reset_index(drop=True)
    return deadly

#print(accidents_with_deadly_outcome())

accidents_with_deadly_outcome():函数的结果：

0  Sa poginulim  20.657460  44.490140
1  Sa poginulim  20.654150  44.468720
2  Sa poginulim  20.536690  44.787231
3  Sa poginulim  20.510760  44.652443
4  Sa poginulim  20.510540  44.884460
5  Sa poginulim  20.471758  44.788613
6  Sa poginulim  20.359841  44.742405
7  Sa poginulim  20.472120  44.763520
8  Sa poginulim  20.610525  44.676290