Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. DataCleaner is the flag-ship application of the eobjects.org open source community. DataCleaner is a data quality application suite with functionality for data profiling, validation and comparison. The project was founded in late 2007 by Danish student Kasper S rensen, who wrote a paper on the establishment of the process of establishing the project and the ways of Open source software development.The profiler in DataCleaner enables the user to gain insight in to the content of the datastore. The profiler can calculate and present a lot of interesting metrics that will help the user become aware and understand data quality issues. Examples of suchs metrics are distribution of values, max/min/average values, patterns used in values etc.

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