Python中列的绝对值
如何将“count”列的值转换为绝对值 我的数据帧摘要如下:Python中列的绝对值,python,pandas,calculated-columns,Python,Pandas,Calculated Columns,如何将“count”列的值转换为绝对值 我的数据帧摘要如下: datetime计数 0 2011-01-20 00:00:00 14.565996 1 2011-01-20 01:00:00 10.204177 2 2011-01-20 02:00:00 -1.261569 3 2011-01-20 03:00:00 1.938322 4 2011-01-20 04:00:00 1.938322 5 2011-01-20 05:00:00 -5.963259 6 20
datetime计数
0 2011-01-20 00:00:00 14.565996
1 2011-01-20 01:00:00 10.204177
2 2011-01-20 02:00:00 -1.261569
3 2011-01-20 03:00:00 1.938322
4 2011-01-20 04:00:00 1.938322
5 2011-01-20 05:00:00 -5.963259
6 2011-01-20 06:00:00 73.711525
使用
如果我想将datetime作为我的第一列,该怎么办?@Mwspencer只需创建一个新列:
df['abs']=df['count'].abs()
import pandas as pd
df = pd.DataFrame(data={'count':[1, -1, 2, -2, 3, -3]})
df['count'] = df['count'].abs()
print(df)
count
#0 1
#1 1
#2 2
#3 2
#4 3
#5 3