merge

Python Pandas – drop duplicates from dataframe and merge the columns value

Python Pandas – drop duplicates from dataframe and merge the columns value Question: I am trying to remove duplicates from my Dataframe and save their data into the columns where they are NA/Empty. Example: I’ve the following DATAFRAME and I would like to remove all the duplicates in column A but merge the values from …

Total answers: 2

Merging two dataframes with inner join

Merging two dataframes with inner join Question: I am trying to merge two dataframes using pandas merge function with inner join. H0002 and H0003 is equal to ordrenr and radnr in the second dataframe. df_1 has 268643 and df_2 has 203124 rows. When I merge them, the resulting dataframe has 5303556 rows.. I have tried …

Total answers: 1

Merging columns Dataframe

Merging columns Dataframe Question: I have the following Dataframe: df1 startTimeIso endTimeIso id 2023-03-07T03:28:56.969000 2023-03-07T03:29:25.396000 5 2023-03-07T03:57:08.734000 2023-03-07T03:59:08.734000 7 2023-03-07T04:18:08.734000 2023-03-07T04:20:10.271000 16 2023-03-07T07:58:08.734000 2023-03-07T07:58:10.271000 21 and the second one: df2 startTimeIso endTimeIso value 2023-03-07T03:28:57.169000 2023-03-07T03:29:25.996000 true 2023-03-07T03:57:08.734000 2023-03-07T03:58:08.734000 true 2023-03-07T05:38:08.734000 2023-03-07T05:40:10.271000 true 2023-03-07T07:58:08.934000 2023-03-07T07:58:10.371000 true I want to check, if a row from df2 merge …

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Join pandas dataframe by strg-pattern

Join pandas dataframe by strg-pattern Question: I have a question about a merge of two pd.dataframes based on a strg-pattern in a column. There are some very helpful discussions on stackoverlow and I found an approach (Merge two dataframe if one string column is contained in another column in Pandas) that fits to my requirements …

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Is there a fast way to merge overlapping columns between two pandas dataframes?

Is there a fast way to merge overlapping columns between two pandas dataframes? Question: I have a DataFrame with employee information that is missing some records, and want to fill these in using another DataFrame. The way I’m doing it now is below, but takes way too long because it’s a lot of rows. df_missing …

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Merge two or more lines of text into one line with python pandas

Merge two or more lines of text into one line with python pandas Question: I have a txt file like below, 140037|1|TOP SOIL DARK BROWN CLAY RICH ORGANIC|0|0.8 140037|2|MATER SOFT|| 140037|3|SANDY CLAY SOFT MOTTLED GREY/ORANGE|0.8|1 140037|4|BROWN <15% SAND GRAINS|| 140037|5|CLAY MOTTLED DARK GREY/ORANGE BROWN|1|3 140037|6|SOFT BECOMING FIRM MINOR SILT AND|| 140037|7|FINE SAND IN SOME LAYERS|| …

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How to merge data in DataFrame in overlapping time periods in pandas?

How to merge data in DataFrame in overlapping time periods in pandas? Question: I have a pandas DataFrame like the following: start_time status duration 0 2023-03-16 01:30:00 OK 0 days 00:02:00 1 2023-03-16 01:31:00 WARN 0 days 00:19:28 2 2023-03-16 01:31:00 ERROR 0 days 00:09:28 3 2023-03-16 01:32:00 ERROR 0 days 00:03:00 4 2023-03-16 01:33:00 …

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Merging two Pandas DataFrames based on the sequential order of two columns

Merging two Pandas DataFrames based on the sequential order of two columns Question: I know questions related to this one have been asked multiple times, but I can’t find anything specific this one. I have gone through pandas.pydata.org/docs/user_guide/merging.html but I still can’t find what I need. I have two very large output files that I …

Total answers: 2