Questions tagged [data-quality]

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What are the metrics to evaluate Data Quality?

Data quality refers to the overall utility of a dataset(s) as a function of its ability to be easily processed and analyzed for other uses, usually by a database, data warehouse, or data analytics ...
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How to mathematically quantify the quality of a corpus?

I am working on a text classification project. I have around 60,000 text samples of 40intents. By calculating the frequency of ...
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UI-based Tool for Qualitative Evaluation of Data Quality

Dear DS StackExchange community, I'm currently searching the interwebs for a (near-)ready-to-use solution, to perform a qualitative evaluation of extracted features from video data. In my head the ...
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What do we mean by permissible transformations in types of attributes-:nominal,ordinal,interval,ratio?

I am studying data mining and I stumbled upon types of attributes. They are Nominal Ordinal Interval Ratio Data mining book by Tan,Steinbech,Kumar says Permissible transformations for-: nominal-:...
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Manually labeled data quality check methods?

In this article, the author says that manual data labeling is a "not-as-bad-as-it-sounds" method, but to err is human and in this article by Shopify, I learned that high-quality annotation ...