我正在尝试基于单个列合并两个数据帧。此列包含以“ +”开头的值。合并功能对于所有其他行均适用,但带有加号的行除外。 示例:
df1 df2 df3(expected Output)
Key Cost Conversion Key avg cost Revenue Key Cost Revenue
AAA 12.23 2 +BBB 22.33 1000 AAA 12.23 1000
+BBB 26.24 1 AAA 92.63 5689 +BBB 26.24 5689
CCC 15.48 0 DDD 35.68 4567 CCC 15.48 4567
df3(obtained Output)
Key Cost Revenue
AAA 12.23 1000
+BBB 26.24
CCC 15.48 4567
res = df1.merge(df2[['Key', 'Revenue']], on='Key',left_index=True, how = 'left'
答案 0 :(得分:0)
我似乎无法复制您的结果
df1.merge(df2, on='Key')
Key Cost Conversion avg_cost Revenue
0 AAA 12.23 2 92.63 5689
1 +BBB 26.24 1 22.33 1000
df2 = pd.read_clipboard()
Key avg_cost Revenue
0 +BBB 22.33 1000
1 AAA 92.63 5689
2 CCC 35.68 4567
df1.merge(df2, on='Key')
Key Cost Conversion avg_cost Revenue
0 AAA 12.23 2 92.63 5689
1 +BBB 26.24 1 22.33 1000
2 CCC 15.48 0 35.68 4567