Understanding, organizing, and validating data directly affects the accuracy of stories. New tools make cleaning accessible ...

EC has received many complaints about ghost and duplicate voters; UIDAI data will help clean the rolls, says a senior official ...

Behind the political noise is a technical story: a voter-roll clean-up tool that once worked, then quietly disappeared from ...

Rahul claimed that 25 lakh voters during the Haryana polls were “fake”, while showing the photo of a woman he said is ...

Is Excel's Clean Data button the ultimate time-saver for messy spreadsheets? Find out how it works, its quirks, and how it compares to Power Query ...

All details in this article are correct as of October 29, 2025. Accessibility to some of the latest Excel features depends on your Microsoft 365 subscription level and whether you are enrolled in the ...

Excel's VALUE function has only one argument: where a is the value stored as text that you want to convert into a number.

Abstract: With the advent of the era of big data, an increasing amount of duplicate data are expressed in different forms. In order to reduce redundant data storage and improve data quality, data ...

I want to monitor whether there are duplicate keys across parts in a ReplacingMergeTree table, and I’m looking for a lightweight approach rather than running actual data queries. My initial thought ...

Abstract: Cluster analysis is a fundamental method for studying big data problems, as it groups samples based on shared features. In cluster analysis, a particular class of big data problems is ...