Warning: file_get_contents(/data/phpspider/zhask/data//catemap/2/python/331.json): failed to open stream: No such file or directory in /data/phpspider/zhask/libs/function.php on line 167

Warning: Invalid argument supplied for foreach() in /data/phpspider/zhask/libs/tag.function.php on line 1116

Notice: Undefined index: in /data/phpspider/zhask/libs/function.php on line 180

Warning: array_chunk() expects parameter 1 to be array, null given in /data/phpspider/zhask/libs/function.php on line 181
Python 如何从包含等于5的所有条目的列表中创建切片?_Python_Pandas_Csv_Slice - Fatal编程技术网

Python 如何从包含等于5的所有条目的列表中创建切片?

Python 如何从包含等于5的所有条目的列表中创建切片?,python,pandas,csv,slice,Python,Pandas,Csv,Slice,如何从vgain创建包含等于5的值的切片?试试这个 x=r'C:\Users\beladiy\Desktop\python\DAT210x-master\Module2\Datasets\Servo.data' df=pd.read_csv(x,names=['motor', 'screw', 'pgain', 'vgain', 'class'],header=None) x=r'C:\Users\beladiy\Desktop\python\DAT210x-master\Module2\Da

如何从
vgain
创建包含等于
5
的值的切片?

试试这个

x=r'C:\Users\beladiy\Desktop\python\DAT210x-master\Module2\Datasets\Servo.data'
df=pd.read_csv(x,names=['motor', 'screw', 'pgain', 'vgain', 'class'],header=None)
x=r'C:\Users\beladiy\Desktop\python\DAT210x-master\Module2\Datasets\Servo.data'

df=pd.read_csv(x,names=['motor', 'screw', 'pgain', 'vgain', 'class'],header=None)

df=df[df.vgain==5]