python - 从存储在两个数据框中的两个数据透视表中减去值

Question

我有两个表:

df1:[1 rows x 23 columns]
                 1C   1E    1F    1H    1K ...    2M    2P    2S  2U   2W
total          1057  334  3609  3762  1393 ...   328  1611  1426  87  118

df2:[1 rows x 137 columns]
                 1CA  1CB  1CC  1CF  1CJ  1CS ...   2UB  2UJ  2WB  2WC  2WF  2WJ
total            11  381  111   20  527    2 ...    47   34   79    2    1   36

我需要减去两个表之间的值。像 1C-1CF, 1E-1EF, 1F-1FF 等等

即我只需要减去 sheet2 中以 F 结尾的列。

答案:1C=1C-1CF=1037

使用 Python 代码如何做到这一点？

注意:

有些“df1”在“df2”中没有“F”

df1:
['1C', '1E', '1F', '1H', '1K', '1M', '1N', '1P', '1Q', '1R', '1S', '1U', '1W', '2C', '2E', '2F', '2H', '2K', '2M', '2P', '2S', '2U', '2W']
df2:
['1CA', '1CB', '1CC', '1CF', '1CJ', '1CS', '1CU', '1EA', '1EB', '1EC', '1EF', '1EJ', '1ES', '1FA', '1FB', '1FC', '1FF', '1FJ', '1FS', '1FT', '1FU', '1HA', '1HB', '1HC', '1HF', '1HJ', '1HS', '1HT', '1HU', '1KA', '1KB', '1KC', '1KF', '1KJ', '1KS', '1KU', '1MA', '1MB', '1MC', '1MF', '1MJ', '1MS', '1MU', '1NA', '1NB', '1NC', '1NF', '1NJ', '1PA', '1PB', '1PC', '1PF', '1PJ', '1PS', '1PT', '1PU', '1QA', '1QB', '1QC', '1QF', '1QJ', '1RA', '1RB', '1RC', '1RF', '1RJ', '1SA', '1SB', '1SC', '1SF', '1SJ', '1SS', '1ST', '1SU', '1UA', '1UB', '1UC', '1UF', '1UJ', '1US', '1UU', '1WA', '1WB', '1WC', '1WF', '1WJ', '1WS', '1WU', '2CA', '2CB', '2CC', '2CJ', '2CS', '2EA', '2EB', '2EJ', '2FA', '2FB', '2FC', '2FJ', '2FU', '2HB', '2HC', '2HF', '2HJ', '2HU', '2KA', '2KB', '2KC', '2KF', '2KJ', '2KU', '2MA', '2MB', '2MC', '2MF', '2MJ', '2MS', '2MT', '2PA', '2PB', '2PC', '2PF', '2PJ', '2PU', '2SA', '2SB', '2SC', '2SF', '2SJ', '2UA', '2UB', '2UJ', '2WB', '2WC', '2WF', '2WJ']´

Answer 1

sheet1_columns = sheet1.columns.tolist()
sheet2_expected_columns = ['%sF' % (c) for c in sheet1_columns]
common_columns = list(set(sheet2_expected_columns).intersection(set(sheet2.columns.tolist()))
columns_dict = {c:'%sF' % (c) for c in sheet1_columns}
sheet1_with_new_columns_names = sheet1.df.rename(columns=columns_dict)
sheet1_restriction = sheet1_with_new_columns_names[common_columns]
sheets2_restriction = sheets2[common_columns]
result = sheet1_restriction - sheet2_restriction

你能测试一下吗？