valueerror duplicate column names found to_parquet
DataFrame.to_parquet raises ValueError: parquet must have string column names when the dataframe has no columns. So use the following code on top of the tutorial source code: or download the blosc: None Does the Arcane Maul spell's area-effect option deal out double damage to certain creatures? Making statements based on opinion; back them up with references or personal experience. Why did the Apple III have more heating problems than the Altair? Name. 15amp 120v adaptor plug for old 6-20 250v receptacle? I did try to reset_index() and save the resultant data frame, but I got the same error. 587), The Overflow #185: The hardest part of software is requirements, Starting the Prompt Design Site: A New Home in our Stack Exchange Neighborhood, Temporary policy: Generative AI (e.g., ChatGPT) is banned, Testing native, sponsored banner ads on Stack Overflow (starting July 6), I can't convert df to parquet by data type error, Issue with pyarrow when loading parquet file where index has redundant column, Datatypes issue when convert parquet data to pandas dataframe, Write large pandas dataframe as parquet with pyarrow, pyarrow.lib.ArrowInvalid: ('Could not convert X with type Y: did not recognize Python value type when inferring an Arrow data type'), Pyarrow: TypeError: an integer is required (got type str), read parquet files and convert to pandas using pyarrow, Convert Pandas Dataframe to Parquet Failed: List child type string overflowed the capacity of a single chunk, Error while converting csv to parquet file using pandas. First of all, as Jesse suggested use the master (no branch on git clone) when you are downloading the tutorial source code from tensorflow website. xarray: None privacy statement. openpyxl: None Well occasionally send you account related emails. rev2023.7.7.43526. You can just assign the columns: df.columns = ['alpha', 'beta','gamma', 'alpha']. Does "critical chance" have any reason to exist? Do I have the right to limit a background check? Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, The future of collective knowledge sharing, Are there any NaNs in your data? xlrd: None edit/extra:: you can make it a bit faster/less memory intensive by keeping up a numpy array of boolean masks while iterating over the dictionary. First Solution: Disallow Duplicate Labels In an experimental update, the Pandas community added the following functionality .set_flags (allows_duplicate_labels=False) To avoid the broken Panda (pictured below) prevent duplicate labels with this flag. You switched accounts on another tab or window. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. modified code from here: Modified Version. These columns are dropped through df.T.drop_duplicates().T, but I need to know which ones were equivalent. Once this is done, your index columns will still have the default index along with the set indexes. It's not the best solution. Is religious confession legally privileged? The reason why you get ValueError: Index contains duplicate entries, cannot reshape is because, once you unstack "Location", then the remaining index columns "id" and "date" combinations are no longer unique. mixed value types), convert it to Pandas 'string' like this: . A copy of the names is first saved, edited and then directly assigned to the . This can be used to test an exception handler or to report an error condition "just like" the situation in which the interpreter raises the same exception; but beware that there is nothing to prevent user code from raising an inappropriate error. bs4: None Will just the increase in height of water column increase pressure or does mass play any role in it? Is there a distinction between the diminutive suffices -l and -chen? - ALollz When you assign a value to the columns list, it's operating on a copy of the dataframe, and not on the dataframe itself. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. I'm kind of a Python noob, and I can't figure out how to monkey patch a property. See the user guide for more details. Already have an account? Is there a distinction between the diminutive suffices -l and -chen? Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Inline using the bq command-line tool. I created a work around that I believe should work in any scenario. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, The future of collective knowledge sharing, Tensorflow : ValueError Duplicate feature column key found for column, Why on earth are people paying for digital real estate? A+B and AB are nilpotent matrices, are A and B nilpotent? Is there a legal way for a country to gain territory from another through a referendum? What could cause the Nikon D7500 display to look like a cartoon/colour blocking? Spying on a smartphone remotely by the authorities: feasibility and operation. Science fiction short story, possibly titled "Hop for Pop," about life ending at age 30. pyarrow and fastparquet both support writing empty dataframes so I don't think this restriction is necessary (see below script). Drop the columns: df = df.drop(columns="duplicate_column") Or simply rename them . sqlalchemy: 1.0.5 Non-definability of graph 3-colorability in first-order logic. 1 comment Contributor on Feb 10, 2021 d6tdev closed this as completed on May 2, 2021 Sign up for free to join this conversation on GitHub . mess.id,User.firstName . English equivalent for the Arabic saying: "A hungry man can't enjoy the beauty of the sunset". The 'index' and 'columns' strategy requires unique index, while the others not. pandas_gbq: None Find centralized, trusted content and collaborate around the technologies you use most. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Asking for help, clarification, or responding to other answers. Group duplicate column names in pandas DataFrame with missing values, Why on earth are people paying for digital real estate? The end-state of my datafile is parquet & as parquet operations are highly-dependent on metadata, the above data_type is not the expected. dask/fastparquet#41. By clicking Post Your Answer, you agree to our terms of service and acknowledge that you have read and understand our privacy policy and code of conduct. You are in the right way troubleshooting it! If you need something quick&dirty, try the "Unique" option (also in the same link I provided). numexpr: None For example: A+B and AB are nilpotent matrices, are A and B nilpotent? pyarrow and fastparquet both support writing empty dataframes so I don't think this restriction is necessary (see below script). Ok, I searched, what's this part on the inner part of the wing on a Cessna 152 - opposite of the thermometer, Python zip magic for classes instead of tuples. Other than Will Riker and Deanna Troi, have we seen on-screen any commanding officers on starships who are married? Replace the nan elements with some value not present in your dataframe (e.g. There can be a scenario where the column_name is. I checked the source code and they fixed it. s3fs: None 1 You really should avoid duplicate column names. Required, but never shown. patsy: 0.4.1 What could cause the Nikon D7500 display to look like a cartoon/colour blocking? Pandas provide different strategies to format data in JSON. What version of pandas are you using? Could you give a small example DataFrame which demonstrates this issue (so we can just run your code and see if we get the same result)? https://arrow.apache.org/docs/python/generated/pyarrow.compute.value_counts.html, github.com/TomScheffers/pyarrow_ops/blob/main/pyarrow_ops/, https://issues.apache.org/jira/browse/ARROW-10172?src=confmacro, Why on earth are people paying for digital real estate? English equivalent for the Arabic saying: "A hungry man can't enjoy the beauty of the sunset". with "monkey_" so you now have: So now it uses the MonkeyEmbeddingColumn class with the modified key property (works like all the other key properties from feature_column.py). Asking for help, clarification, or responding to other answers. The changed column name, however, is reflected in the column names but not available for a specific purpose as shown below. rev2023.7.7.43526. I modified certain imports for it to work with python 3.4 on centos 7. In the movie Looper, why do assassins in the future use inaccurate weapons such as blunderbuss? Ask Question . Can Visa, Mastercard credit/debit cards be used to receive online payments? How can I get going forward with this tutorial. The column type is varchar, so this it converts to str. 15amp 120v adaptor plug for old 6-20 250v receptacle? I am working with large DataFrames containing columns with unique IDs but duplicate values. What is the fastest way to get distinct rows in pyarrow table? How much space did the 68000 registers take up? pyarrow: 0.9.0 On running the code, I am getting following error. What is the verb expressing the action of moving some farm animals in a field to let them eat grass or plants? Making statements based on opinion; back them up with references or personal experience. About 2mins for a table with half billion rows. privacy statement. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. How much space did the 68000 registers take up? setuptools: 39.2.0 To learn more, see our tips on writing great answers. setuptools: 41.0.1 1 Answer Sorted by: 0 I haven't tested, but I think there is a mistake with your for loops. In my work we use it with a cache I believe, but we literally yesterday thought 'can't this get quicker with one of pyarrows newest version?' pyarrow: 0.14.0 I merged many dataframes into bigger one. We read every piece of feedback, and take your input very seriously. Other than Will Riker and Deanna Troi, have we seen on-screen any commanding officers on starships who are married? What is the verb expressing the action of moving some farm animals in a field to let them eat grass or plants? Morse theory on outer space via the lengths of finitely many conjugacy classes. Asking for help, clarification, or responding to other answers. Since Spark 3.4, INSERT INTO commands with explicit column lists comprising fewer columns than the target table will automatically add the corresponding default values for the remaining columns (or NULL for any column lacking an explicitly-assigned default value). https://bugs.python.org/issue24931, So instead of coming out with a nice unique key, we get the following key for all _EmbeddingColumn instances: How does the theory of evolution make it less likely that the world is designed? The text was updated successfully, but these errors were encountered: Makes sense to me if you'd like to try a PR. What are the advantages and disadvantages of the callee versus caller clearing the stack after a call? xlsxwriter: None By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. I have a pandas data frame with the following columns: Seemingly, all of the column names are strings. By clicking Post Your Answer, you agree to our terms of service and acknowledge that you have read and understand our privacy policy and code of conduct. Not the answer you're looking for? I've never done this before), I used the 'value_counts' to find the unique values and how many of them there are (https://arrow.apache.org/docs/python/generated/pyarrow.compute.value_counts.html). Thus, while converting to parquet, it returns a float value that produces an error. Identifying large-ish wires in junction box, Python zip magic for classes instead of tuples, English equivalent for the Arabic saying: "A hungry man can't enjoy the beauty of the sunset". What does "Splitting the throttles" mean? In the movie Looper, why do assassins in the future use inaccurate weapons such as blunderbuss? In the movie Looper, why do assassins in the future use inaccurate weapons such as blunderbuss? How to format a JSON string as a table using jq? But you have to think about the value "x" with which you can replace NaN, so that it will not affect the whole dataset meaning. Connect and share knowledge within a single location that is structured and easy to search. The neuroscientist says "Baby approved!" Find centralized, trusted content and collaborate around the technologies you use most. By clicking Post Your Answer, you agree to our terms of service and acknowledge that you have read and understand our privacy policy and code of conduct. Edit March 2022: PyArrow is adding more functionalities, though this one isn't here yet.
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valueerror duplicate column names found to_parquet
