Python迭代电子表格的每一行
我有一个如下所示的数据帧: 我编写了一个函数,它将分解每个时间戳,并计算停机和停机之间的分钟数。我没能让它对每一行进行迭代Python迭代电子表格的每一行,python,pandas,Python,Pandas,我有一个如下所示的数据帧: 我编写了一个函数,它将分解每个时间戳,并计算停机和停机之间的分钟数。我没能让它对每一行进行迭代 data1 = str(list(data['Adjusted_Down'])) data2 = str(list(data['Adjusted_Up'])) breakdown(data1, data2) 参考代码: import pandas as pd data = pd.read_excel('E:\Savers\Python\Python3 - Master\
data1 = str(list(data['Adjusted_Down']))
data2 = str(list(data['Adjusted_Up']))
breakdown(data1, data2)
参考代码:
import pandas as pd
data = pd.read_excel('E:\Savers\Python\Python3 - Master\lab.xlsx')
def breakdown(x, y):
string1 = x.split()
variable1 = string1[0]
dateVariable = variable1.split('-')
variable2 = string1[1]
dateVariable2 = variable2.split(':')
hour = int(dateVariable2[0])
minute = int(dateVariable2[1])
seconds = int(dateVariable2[2])
string1B = y.split()
variable1B = string1B[0]
dateVariableB = variable1B.split('-')
variable2B = string1B[1]
dateVariable2B = variable2B.split(':')
hourB = int(dateVariable2B[0])
minuteB = int(dateVariable2B[1])
secondsB = int(dateVariable2B[2])
if hourB > hour:
sumMinutes = (hourB - hour)*60
sumMinutes = sumMinutes + (minuteB - minute)
print(sumMinutes)
elif hourB == hour:
sumMinutes = (minuteB - minute)
print(sumMinutes)
我的假设是,您希望为数据中的每一行运行细分函数
for index, row in data.iterrows():
data1 = str(row['Adjusted_Down'])
data2 = str(row['Adjusted_Up'])
breakdown(data1, data2)
我的假设是,您希望为数据中的每一行运行细分函数
for index, row in data.iterrows():
data1 = str(row['Adjusted_Down'])
data2 = str(row['Adjusted_Up'])
breakdown(data1, data2)
您的问题不是很清楚,但是如果您想知道如何获得时间增量,那么我建议您在阅读电子表格时使用参数
data = pd.read_excel('E:\Savers\Python\Python3 - Master\lab.xlsx', parse_dates=['Adjusted_Down', 'Adjusted_Up'])
在这一点上,您可以简单地减去2列,然后转换为所需的单位 您的问题不是很清楚,但是如果您想知道如何获得时间增量,那么我建议您在阅读电子表格时使用参数
data = pd.read_excel('E:\Savers\Python\Python3 - Master\lab.xlsx', parse_dates=['Adjusted_Down', 'Adjusted_Up'])
在这一点上,您可以简单地减去2列,然后转换为所需的单位 首先将列加载为上面提到的datetime,这样加载文件要快得多
data = pd.read_excel('E:\Savers\Python\Python3 - Master\lab.xlsx', parse_dates=['Adjusted_Down', 'Adjusted_Up'])
#Then you can calculate the timedelta as easy as
data['timedelta-minutes'] = data.Adjusted_Up - data.Adjusted_Down
#convert to minutes
data['timedelta-minutes'] = data['timedelta-minutes'].dt.minute
首先像上面提到的@samuel那样将列加载为datetime,这样加载文件要快得多
data = pd.read_excel('E:\Savers\Python\Python3 - Master\lab.xlsx', parse_dates=['Adjusted_Down', 'Adjusted_Up'])
#Then you can calculate the timedelta as easy as
data['timedelta-minutes'] = data.Adjusted_Up - data.Adjusted_Down
#convert to minutes
data['timedelta-minutes'] = data['timedelta-minutes'].dt.minute
你的工作效率很低你的工作效率很低