Python 使用Pandas从CSV中提取列

我试图从csv文件中提取起始站，示例数据如下

Start Time,End Time,Trip Duration,Start Station,End Station,User Type,Gender,Birth Year

1423854,2017-06-23 15:09:32,2017-06-23 15:14:53,321,Wood St & Hubbard St,Damen Ave & Chicago Ave,Subscriber,Male,1992.0

我遇到的问题是，当我尝试提取数据时，我收到以下错误消息：

AttributeError:“Series”对象没有属性“start”

我相信我的问题源于转换起始站，但似乎不知道为什么

# convert the Start Station column to dataframe
df['Start Station'] = pd.DataFrame(df['Start Station'])

# extract street names from Start Station and End Station to create new columns
df['start'] = df['Start Station'].start

def station_stats(df):
"""Displays statistics on the most popular stations and trip."""

# TO DO: display most commonly used start station
popular_start_station = df['start']
print(popular_start_station)

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你的代码很混乱。试试这个：

df = pd.read_csv(CITY_DATA, index = True) # load data file into a one df
start_data_series = df[['Start Station']] # create series with column of interest

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您可以根据自己的喜好在第二行中添加更多列。要进一步阅读，请参阅post。

我认为您是将数据帧分配给列，而不是系列

df = pd.read_csv(CITY_DATA, index = True) # load data file into a one df
start_data_series = df[['Start Station']] # create series with column of interest