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data-profiling

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gardnerdev
gardnerdev commented Jan 16, 2021

Describe the bug
When trying to run scaffolding (profiling) command, it fails because of commas in columns.

To Reproduce
Steps to reproduce the behavior:

  1. Run great_expectations suite scaffold scaffold-name on datasource where commas are in column
  2. Bug pandas.errors.ParserError: Error tokenizing data. C error: Expected 1 fields in line 5323 saw 2

Expected behavior
D

The program compares two files at a time and does the following 1.Gathering metadata on the individual tables(column count,record count,list of columns with datatype etc) 2.Identifying matching columns between tables based on names as well as data. Using machine learning, we are handling syntactic as well as semantic variations of column names for accurate matching. 3. Finding duplicate columns in single table with the option to deduplicate if required 4. Finding columns with missing data/null values.

  • Updated Feb 17, 2018
  • Python

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