You should also write above as you are writing these in your query: mess.id,User . Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Performance is slow with large dataset, @rewreu correct! By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. warning: this is a slow process. Is that I have change some variable or is this a python 3 problem. Already have an account? Why did the Apple III have more heating problems than the Altair? Countering the Forcecage spell with reactions? Thus, while converting to parquet, it returns a float value that produces an error. In my case problem was in data - my column 'information' contained 1 unique value and it caused error, UPDATE: to correct work 'pivot' pairs (id_user,information) cannot have duplicates, source: https://stackoverflow.com/a/37021196/6088984. Connect and share knowledge within a single location that is structured and easy to search. The key(self) property is plagued by this bug: xarray: None To learn more, see our tips on writing great answers. This will achieve the objective. Output df is as expected but it messes up with the metadata forcing the dtype for all columns to be dtype('O'). see : Ah! Were Patton's and/or other generals' vehicles prominently flagged with stars (and if so, why)? What does that mean? 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. Will just the increase in height of water column increase pressure or does mass play any role in it? Asking for help, clarification, or responding to other answers. 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), Fastest way to construct pyarrow table row by row, How to drop duplicates in a python datatable h2oai, How to find and mark duplicates in a python datatable. In [16]: df2.index.duplicated() Out [16]: array ( [False, True, False]) Which can be used as a boolean filter to drop duplicate rows. Call the jobs.insert method and configure the schema property in the load job. What is the grammatical basis for understanding in Psalm 2:7 differently than Psalm 22:1? 1 I got the following error: attempting to use to_dict to index a multiple sequence FASTA file with duplicate keys. processor: i386 What does that mean? Do I have the right to limit a background check? How to specify column format and column names when dumping data into The corresponding functions are object methods that are accessed like . dateutil: 2.8.0 I have a DataFrame and I want to update column names for this data frame. To avoid duplication prefix the column name with its table as follows: Try writing all column names attach with their respective table names: Column names without table name attached in your query: senderid,recipientid,courseid,message . . What could cause the Nikon D7500 display to look like a cartoon/colour blocking? In the movie Looper, why do assassins in the future use inaccurate weapons such as blunderbuss? 15amp 120v adaptor plug for old 6-20 250v receptacle? Not the answer you're looking for? English equivalent for the Arabic saying: "A hungry man can't enjoy the beauty of the sunset". Is the part of the v-brake noodle which sticks out of the noodle holder a standard fixed length on all noodles? Thanks for contributing an answer to Stack Overflow! Already on GitHub? matplotlib: None Brute force open problems in graph theory. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. blosc: None lxml: None The cells of the dataframe contain mixed information with a JSON blob in some of them. How much space did the 68000 registers take up? 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). 2 hours trying to figure this out, couldn't believe it could be as hard as some of the posts I've seen. Well the error is pretty self-explanatory, do you really want your index values to be a series of repeating text values? Duplicate found error when there is no duplicate @gosuto-inzasheru good thinking, but keep in mind that a multi-index will error: In that case you would need to do something like: @JustinGuese seems like your solution still doesn't work. 4 Answers. Second, you only need to pass the first two parameters to the class. A+B and AB are nilpotent matrices, are A and B nilpotent? As an example, even in your simple expected output df.a.dtype will return an AttributeError because for DataFrames you need .dtypes, note the s on the end. What is the grammatical basis for understanding in Psalm 2:7 differently than Psalm 22:1? Group duplicate column names in pandas DataFrame with missing values. OS-release: 18.6.0 When practicing scales, is it fine to learn by reading off a scale book instead of concentrating on my keyboard? By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. It works for me. What is the verb expressing the action of moving some farm animals in a field to let them eat grass or plants? rev2023.7.7.43526. Pandas provide different strategies to format data in JSON. To see all available qualifiers, see our documentation. append=True create a few columns with the same name. mixed value types), convert it to Pandas 'string' like this: . xlrd: None This lets the code run to completion, but I'm not 100% sure it's correct as it reports the accuracy as: As this is slightly worse than the wide-only training, I wonder if it has this accuracy in Python 2 or if my fix is lowering the accuracy by causing a training problem. Is there a legal way for a country to gain territory from another through a referendum? Why add an increment/decrement operator when compound assignnments exist? Author: splunktool.com; Updated: 2022-10-16; Rated: 96/100 (3753 votes) High rate: 97/100 ; Low rate: 56/100 ; Summary: python print unicode 'anomaly' [duplicate] Matched Content: Duplicate column names and non-string columns names are not supported. Well occasionally send you account related emails. Dropping duplicates is not yet implemented in pyarrow. sqlalchemy: 1.0.5 To learn more, see our tips on writing great answers. Can I still have hopes for an offer as a software developer. In [17]: df2.loc[~df2.index.duplicated(), :] Out [17]: A a 0 b 2 Cause There are duplicate column names in the Delta table. It errors out: pyarrow.lib.ArrowTypeError: ('an integer is required (got type str)', 'Conversion failed for column a with type object'). Change the last 2 lines above into the following will give 2X speedup: Thanks for contributing an answer to Stack Overflow! To learn more, see our tips on writing great answers. How much space did the 68000 registers take up? 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? Making statements based on opinion; back them up with references or personal experience. Is there a distinction between the diminutive suffices -l and -chen? Book or a story about a group of people who had become immortal, and traced it back to a wagon train they had all been on. I'd be grateful for any help in resolving this! (Ep. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Several efficient solutions found here return nothing . Typo in cover letter of the journal name where my manuscript is currently under review. There was. Why QGIS does not load Luxembourg TIF/TFW file? Can we use work equation to derive Ohm's law? Can we use work equation to derive Ohm's law? To fix a case like above (i.e. then in the end you return a "table.filter(mask=boolean_mask)". Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. I merged many dataframes into bigger one. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. PrimitiveType: %primitiveType; OriginalType: %originalType;. Find centralized, trusted content and collaborate around the technologies you use most. The error indicates that your dataframe index has non-unique (repeated) values. Pandas unstack problems: ValueError: Index contains duplicate entries 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. The column type is varchar, so this it converts to str. To learn more, see our tips on writing great answers. fastparquet: None Asking for help, clarification, or responding to other answers. Once this is done, your index columns will still have the default index along with the set indexes. You switched accounts on another tab or window. To learn more, see our tips on writing great answers. pyarrow and fastparquet both support writing empty dataframes so I don't think this restriction is necessary (see below script). The problem with mixed type columns still exists in pyarrow-0.9.0+254, diogommartins mentioned this issue on Jul 5, 2022. Pandas error while finding unique values in a column with name changed, Why on earth are people paying for digital real estate? You can query partitioned datasets, and your query could include select distinct on () in order to remove duplicates from the results. I need to unstack or pivot keeping duplicated index, Unstack a dataframe with duplicated index in Pandas, Pandas Error: Index contains duplicate entries, cannot reshape. But I faced the following error. The pandas I/O API is a set of top level that generally return a pandas object. bottleneck: None @AndyHayden I am using pandas 0.15.2. Connect and share knowledge within a single location that is structured and easy to search. @Shaunakde if you can answer @TomAugspurger's questions, feel free to still do, then happy to reopen the issue! I had a large dataframe that I was fairly sure had the correct indices. In future versions it is expected that every method taking or returning one or more DataFrame or Series objects will propagate allows_duplicate_labels. Is there a more idiomatic way to select rows from a PyArrow table based on contents of a column? sphinx: None The not working scenario works if it contains unique values for id_user. Making statements based on opinion; back them up with references or personal experience. 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 . How can I remove a mystery pipe in basement wall and floor? xlsxwriter: 0.7.6 Below is a table containing available Type name or dict of column -> type, default np.int32,'c':'Int64'} together with suitable na_values settings to preserve and not interpret dtype. Asking for help, clarification, or responding to other answers. Well occasionally send you account related emails. I read from a SQL query that did a join on two columns, which is allowed but becomes problematic when you want to create a JSON. 1 Answer Sorted by: 0 I haven't tested, but I think there is a mistake with your for loops. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. So instead of coming out with a nice unique key, we get the following key for all _EmbeddingColumn instances: '_EmbeddingColumn ()'. A copy of the names is first saved, edited and then directly assigned to the . openpyxl: None You will get some warnings on the way; just ignore them and wait for the program to finish. My goal is to retrieve the latest version of each ID based on the maximum update timestamp. See Duplicate Labels for more. I am working on the Titanic survival dataset. tables: 3.4.4 How can I learn wizard spells as a warlock without multiclassing? When I try to read this parquet file using SqlContext.read.option ("mergeSchema","false").parquet ("s3a://.."), I get the following exception. What would be against embedding df.columns = df.columns.astype(str) into the .to_parquet method? Further, columns are named "_COL1_" etc. You can first replace all the NaN with some value(let x) then apply group by. pandas_datareader: None. pandas: 0.22.0 It was producing a copy and not working on the original frame. (Ep. openpyxl: None ValueError: DataFrame index must be unique for orient='columns' You can try to force the type of column to be string. What are the advantages and disadvantages of the callee versus caller clearing the stack after a call? You can avoid this by retaining the default index column (row #) and while setting the index using "id", "date" and "location", add it in "append" mode instead of the default overwrite mode. LANG: en_US.UTF-8 Why did the Apple III have more heating problems than the Altair? You can choose different parquet backends, and have the option of compression. xlsxwriter: None pip: 19.1.1 Not the answer you're looking for? jinja2: 2.10 pytest: 3.3.1 - ALollz Why do complex numbers lend themselves to rotation? Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, The future of collective knowledge sharing. Find centralized, trusted content and collaborate around the technologies you use most. 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), Error while running tensorflow a second time, tensorflow.contrib.learn.DNNclassifier missing 1 required positional argument: 'feature_columns', AttributeError: module 'tensorflow' has no attribute 'feature_column', tensorflow ValueError: features should be a dictionary of `Tensor`s. To avoid duplication prefix the column name with its table as follows: Try writing all column names attach with their respective table names: Column names without table name attached in your query: Why add an increment/decrement operator when compound assignnments exist? The changed column name, however, is reflected in the column names but not available for a specific purpose as shown below. how to join 4 .json files in the same file and then export it as a single .json file? I have a pandas data frame with the following columns: Seemingly, all of the column names are strings. For example: Example here: Set multi column index in pandas. psycopg2: 2.7 (dt dec pq3 ext lo64) After iterating it was just as simple as pa.concat_tables(tables). So use the following code on top of the tutorial source code: or download the File Format | Apache Parquet Ask Question . pandas_gbq: None ), The following gives a good performance. How to allow duplicate column names in pandas DataFrame This creates a whole host of issues because you now need to worry about whether df ['a'] returns a DataFrame or a Series. Connect and share knowledge within a single location that is structured and easy to search. commit: None 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. setuptools: 39.2.0 By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. to_parquet can't handle mixed type columns #21228 How to format a JSON string as a table using jq? Do I remove the screw keeper on a self-grounding outlet? Ok, I searched, what's this part on the inner part of the wing on a Cessna 152 - opposite of the thermometer. (Ep. gcsfs: None. The fix is described in the documentation for Pandas, and usually requires saving the copy of the dataframe when you make changes to it. Does the Arcane Maul spell's area-effect option deal out double damage to certain creatures? Is there a distinction between the diminutive suffices -l and -chen? Book or a story about a group of people who had become immortal, and traced it back to a wagon train they had all been on. 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. The 'orient' parameter has 5 allowed values as described here: Pandas IO tools documentation. 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? jinja2: None Cause: The Parquet format is not supported in Azure Data Factory and Synapse pipelines. Yes, parquet expects a single type per column. rev2023.7.7.43526. If you need something quick&dirty, try the "Unique" option (also in the same link I provided). So I'll post a better solution when we have found one :), This seems the fastest answer. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, The future of collective knowledge sharing, Edited the regex to check for end-of-word boundary. Characters with only one possible next character, Brute force open problems in graph theory, Morse theory on outer space via the lengths of finitely many conjugacy classes, Cultural identity in an Multi-cultural empire. Is there any potential negative effect of adding something to the PATH variable that is not yet installed on the system? Do I have the right to limit a background check? Other than Will Riker and Deanna Troi, have we seen on-screen any commanding officers on starships who are married? Ans: it may vary from use case-to-use case. xlrd: 0.9.4 Why do complex numbers lend themselves to rotation? setuptools: 41.0.1 I was trying to convert a data frame to a parquet file. But there are a few numeric values in the records of that column, and I am doubtful that the data frame parses them as float. Currently, many methods fail to propagate the allows_duplicate_labels value. Parameters pathstr, path object, file-like object, or None, default None Not the answer you're looking for? Spying on a smartphone remotely by the authorities: feasibility and operation. Looks like a bug in tensorflow/contrib/layers/python/layers/feature_column.py in the _EmbeddingColumn class. Change data type in columns of dataframe with duplicate column header, How to handle same column headers with different values, Changing dataframe column dtypes in Pandas, Dataframe updates with pandas that includes duplicated column headers, Set a pandas column dtype to the same as an existing category column, DataFrame with shared row indexes and shared column headers, Sci-Fi Science: Ramifications of Photon-to-Axion Conversion, How to get Romex between two garage doors, Customizing a Basic List of Figures Display. 15amp 120v adaptor plug for old 6-20 250v receptacle? This sanitisation is necessary to convert your columns names to lower case/ snake case and also remove special characters. Connect and share knowledge within a single location that is structured and easy to search. where the output reflects the changed name: Now, if I try to print unique values from the columns. Does being overturned on appeal have consequences for the careers of trial judges? 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. Use the CREATE TABLE SQL statement. Required, but never shown. pandas.DataFrame.to_parquet pandas 2.0.3 documentation dask/fastparquet#41. Thanks for contributing an answer to Stack Overflow! What is the reasoning behind the USA criticizing countries and then paying them diplomatic visits? The error message usually includes the exact position of the error. Using the suggested method, this is how it works: A copy of the names is first saved, edited and then directly assigned to the columns. Asking for help, clarification, or responding to other answers. pyarrow ValueError: Duplicate column names found #28 - GitHub I was trying to get my hands dirty with Tensorflow and following You are in the right way troubleshooting it! To learn more, see our tips on writing great answers. eg. This causes the feature_column_ops.py's check_feature_columns() function to determine that the second _EmbeddingColumn instance is a duplicate since they keys of all of them are the same. Has a bill ever failed a house of Congress unanimously? How to format a JSON string as a table using jq? 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. Have a question about this project? feather: None ValueError: Duplicate feature column name found for columns: IPython: None Commercial operation certificate requirement outside air transportation. For me, I was reading directly from a file & so while reading the first line I added the _counter before the pipe(s). I tried using astype(str) but didn't work. Why do keywords have to be reserved words? bs4: 4.6.3 Different maturities but same tenor to obtain the yield. What is the significance of Headband of Intellect et al setting the stat to 19? However, since my DataFrame has the MultiIndex on the columns (not the rows), a small change solved the issue: You signed in with another tab or window. Does the Arcane Maul spell's area-effect option deal out double damage to certain creatures? Using the suggested method, this is how it works: newCols = titanic.columns.values newCols [-1] = 'home' titanic.columns = newCols. Connect and share knowledge within a single location that is structured and easy to search. The below code gives error: 'cannot reindex from a duplicate axis. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. I've been doing a lot of refactoring and trying to get it to work faster. to your account. By clicking Sign up for GitHub, you agree to our terms of service and privacy statement. Find centralized, trusted content and collaborate around the technologies you use most. 1 1 df.index.is_unique This will return a boolean: True if the index is unique. This is an experimental feature. (Ep. The question is, do you want to aggregate these or keep them as multiple rows? How does the theory of evolution make it less likely that the world is designed? fastparquet: 0.1.5 To learn more, see our tips on writing great answers. and if the count was more then 1 I selected either the first or last one by using numpy boolean arrays as a mask again. lxml.etree: None When I attempt to serialize this dataframe I get the following error: As far as I can tell, the column names are all strings. Can you work in physics research with a data science degree? numpy: 1.14.2 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. Given type: