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About the Data cleaning and transformations category
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0
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295
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October 22, 2022
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Error using German reconciliation service
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5
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61
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November 17, 2025
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Help with matching 72,000 institutions to ROR IDs
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1
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48
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August 30, 2025
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Row inconsistency in OpenRefine from Excel/CSV/TSV for a file
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2
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72
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August 28, 2025
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[OPENREFINE 3.2] Error occurred during file formatting
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3
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65
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August 7, 2025
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Issue Columnizing by Key/Value Columns with Data in other Columns
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4
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78
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July 17, 2025
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Transpose values into new columns that indicate the existence of these values
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2
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73
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February 12, 2025
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How can I export a project after transformations in the current version 3.8.7 using the Python API? It works up to version 3.7.9, however after that, it creates an issue
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1
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67
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January 17, 2025
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What is the best tool for removing duplicates from a CSV data source?
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1
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127
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November 22, 2024
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Is it possible to copy and paste several rows of data into an active project
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5
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240
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October 29, 2024
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Randomization of records
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2
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69
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October 28, 2024
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Normalising a spreadsheet
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1
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108
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September 18, 2024
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Normalize longer text data
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2
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116
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August 7, 2024
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Joining multi-valued cells as an expression
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2
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83
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July 26, 2024
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Cluster and edit facet automation
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2
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114
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July 18, 2024
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Wikibase Reconciliation service: issues with EDTF Date/Time data type
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5
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130
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July 1, 2024
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Save or export GREL history (or GREL/regex favourites)
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4
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169
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June 18, 2024
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Help extracting data from a long field column of real estate data
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2
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93
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June 18, 2024
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Adding Property to WikiData Reconciliation for LCSH
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2
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208
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June 11, 2024
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Only Year Please
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14
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709
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May 30, 2024
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Can I use OpenRefine to clean up first and last names that are not valid, such as random words?
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4
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232
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May 20, 2024
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How to delet company duplicate
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1
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127
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May 20, 2024
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Remove text based on string in another column
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4
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207
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May 13, 2024
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Reordering text within a cell
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2
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243
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April 1, 2024
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Question about value.replace problem
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4
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487
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March 26, 2024
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Recover data from simple url for two wikidata id
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0
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169
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January 30, 2024
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Detecting patterns in a text mass
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2
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240
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December 16, 2023
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Extract data from one column and move to a new column
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10
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1414
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November 24, 2023
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Transpose values from all rows of a certain column into one cell for a new column
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9
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452
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November 9, 2023
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GREL for exact word matching between columns
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1
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408
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November 8, 2023
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