Timeline for answer to How to add a new column to an existing DataFrame by firelynx
Current License: CC BY-SA 3.0
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| Jun 12, 2024 at 12:31 | comment | added | Maged Mostafa | This answer is very comprehensive and gives all the needed context and background of this common scenario. I believe this should be the top rated answer. | |
| Aug 1, 2017 at 12:27 | comment | added | Lightman |
"When you use the [] = method pandas is quietly performing an outer join or outer merge". This is the most important piece of information in the whole topic. But could you provide link to the official documentation on how []= operator works?
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| Apr 3, 2017 at 8:59 | history | answered | firelynx | CC BY-SA 3.0 |