Dask cannot reindex from a duplicate axis

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WebJun 8, 2024 · Error: ValueError: cannot reindex from a duplicate axis However, the following code which only differs by one element in the index will execute without producing the error: data = … WebAug 20, 2024 · If you look at the error message “ cannot reindex from a duplicate axis “, it means that Pandas DataFrame has duplicate index values. Hence when we do certain operations such as concatenating a …

Dataframe drops rows after set index · Issue #6145 · dask/dask

WebApr 17, 2024 · ValueError: cannot reindex from a duplicate axis I know this isn't very helpful but I could not reproduce this error. Note there are some series with the same index eg. between ID2 and ID4 above. python pandas Share Follow asked Apr 17, 2024 at 11:25 Cr1064 399 4 14 Add a comment 1 Answer Sorted by: 0 crystalbrook hotels cairns

Python Pandas dataframe.reindex_axis() - GeeksforGeeks

WebMar 7, 2024 · Apparently, the python error is the result of doing operations on a DataFrame that has duplicate index values. Operations that require unique index values need to align the values with the index. Joining with another DataFrame, reindexing a DataFrame, resampling a DataFrame simply will not work. WebJan 26, 2024 · df ['avg3d']=df.groupby ('g') ['v'].transform (lambda x: x.rolling ('3D').mean ()) Get errors like: ValueError: index must be monotonic, ValueError: Not all divisions are known, can't align partitions or ValueError: cannot reindex from a … WebNov 22, 2024 · It also provides a way to fill the missing values in the dataframe. A new object is produced unless the new index is equivalent to the current one and copy=False. Syntax: Syntax: DataFrame.reindex_axis (labels, axis=0, method=None, level=None, copy=True, limit=None, fill_value=nan) Parameters : labels : New labels / index to … crystalbrook howard smith wharves

What does `ValueError: cannot reindex from a duplicate …

Scanpy concatenation results in ValueError: cannot reindex from a ...

WebMar 14, 2024 · dask.dataframe.fillna fails with "ValueError: cannot reindex from a duplicate axis" · Issue #4596 · dask/dask · GitHub Skip to content Product Team Enterprise Explore Marketplace Pricing Sign in Sign up dask / dask Public Sponsor Notifications Fork 1.5k Star 10.2k Code Issues 669 Pull requests 97 Discussions Actions … WebOct 25, 2024 · New issue Scanpy concatenation results in ValueError: cannot reindex from a duplicate axis #2364 Closed 2 tasks done viraj-rapolu opened this issue on Oct 25 · 1 comment I have checked that this issue has not already been reported. I have confirmed this bug exists on the latest version of scanpy. dvla tax a vehicle new keeperWebApr 27, 2024 · Dataframe drops rows after set index · Issue #6145 · dask/dask · GitHub Dataframe drops rows after set index #6145 Closed on Apr 27, 2024 dvirginz on Apr 27, 2024 We raise in DataFrame. setitem for NumPy.ndarrays. We verify that the number of partitions match for Dask Arrays We align for Dask Series / DataFrames crystal brook hotel newcastle

"WebAug 20, 2024 · If you look at the error message “ cannot reindex from a duplicate axis “, it means that Pandas DataFrame has duplicate index values. Hence when we do certain operations such as concatenating a … " - Dask cannot reindex from a duplicate axis

Dask cannot reindex from a duplicate axis

How to fix ValueError: cannot reindex on an axis with duplicate …

WebMar 16, 2024 · When you run the script, Client () is causing new Dask workers to be spawned, which also get copies of variables from the original main process. In some some cases, this involves re-importing the script in each worker, each of which, of course, then tries to create a Client and new set of processes. WebJan 17, 2024 · Currently, the data is daily, but I would like to resample the data into a new df that contains every 6 months nth. Therefore I did: Mj_rank_s = Mj_rank.resample ('6M').asfreq ().tail () which gives me this output: ValueError: cannot reindex from a duplicate axis. strangely enough, if I use other methods like max () or min () it works …

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WebJun 2, 2024 · If you have ever faced a situation like this then you may follow these techniques for debugging and fixing the problem of the ValueError: cannot reindex on an axis with duplicate labels in python. This guide is part of the “Common Python Errors” series. It’s focused entirely on providing quick and easy solutions for Python-related … WebIndices with duplicate values often arise if you create a DataFrame by concatenating other DataFrames. IF you don't care about preserving the values of your index, and you want …

WebJul 13, 2024 · ValueError: cannot reindex from a duplicate axis I have already verified that I don't have any duplicate index in the dataframe. The length of the lists in both the column for each row have same no of elements. WebDec 17, 2024 · Dask probably infers the wrong datatype: It assumes an integer column by looking at the top values. Then you run into the problem that the unexpected NA can't be converted to int. You don't get these problems with Pandas because in that case the whole column is considered to determine the data type.

WebMar 7, 2024 · Apparently, the python error is the result of doing operations on a DataFrame that has duplicate index values. Operations that require unique index values need to … WebMar 14, 2024 · amerkel2 commented on Mar 14, 2024 •edited. Starting with Dask 1.1.0, dask.dataframe.fillna fails when trying to fill based on a series from the same dataframe if …

WebThis error is often thrown due to duplications in your column names (not necessarily values) First, just check if there is any duplication in your column names using the code: df.columns.duplicated ().any () If it's true, then remove the duplicated columns df.loc [:,~df.columns.duplicated ()]

WebJun 2, 2024 · In the Python programming language, ValueError: cannot reindex on an axis with duplicate labels is a common error and this error has occurred because of … crystalbrook hotel newcastle nswWebDec 6, 2024 · ValueError: cannot reindex from a duplicate axis What i am trying to do is fill the missing dates and reindex the column. As mentioned by @jezrael "problem is duplicated values in DatetimeIndex, so reindex cannot be used here" I have used the same code earlier and it worked fine. Curious why it is not working in this case dvla taxing a vehicle onlineWebDec 14, 2024 · Reindex won't work if there's duplicate axis. ValueError: cannot reindex from a duplicate axis. Note: df was created by df=pd.read_csv('foobar.csv') python; pandas; dataframe; Share. Follow edited Dec 14, 2024 at 21:29. marc_s. 725k 174 174 gold badges 1326 1326 silver badges 1449 1449 bronze badges. crystal brook hotel sydneyWebJan 3, 2024 · You need to remove the duplicated entries in the index first, e.g., as described in Remove pandas rows with duplicate indices: The simplest choice would be to drop duplicates, e.g., df [~df.index.duplicated ()] You might also use a groupby operation, e.g., to compute the mean: df.groupby (level=df.index.names).mean () dvla tax contact number ukWebdask.dataframe is missing reindex and reset_index methods #734. Closed thrasibule opened this issue Sep 20, 2015 · 2 comments ... =False) works, that way I can always … dvla taxi theory testWebOct 1, 2024 · y needs to be a column name, not a pandas.Series: code. You can slice the columns to get the desired names: (e.g. df.columns [3:]) y= can be a pandas.Series object, but it's giving you trouble here because it still has the duplicate index from the original dataframe. That said, this code seems like it would be cleaner if you looped over column ... crystalbrook kingsley escapeWebAug 21, 2024 · 1 Answer Sorted by: 17 Operations between series require non-duplicated indices, otherwise Pandas doesn't know how to align values in calculations. This isn't the case with your data currently. If you are certain that your series are aligned by position, you can call reset_index on each dataframe: dvla taxing a new vehicle