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In computing, data deduplication is a technique for eliminating duplicate copies of repeating data. Successful implementation of the technique can improve storage utilization, which may in turn lower capital expenditure by reducing the overall amount of storage media required to meet storage capacity needs.
There are several types of data cleaning, that are dependent upon the type of data in the set; this could be phone numbers, email addresses, employers, or other values. [ 26 ] [ 27 ] Quantitative data methods for outlier detection, can be used to get rid of data that appears to have a higher likelihood of being input incorrectly. [ 28 ]
The modified Thompson Tau test is used to find one outlier at a time (largest value of δ is removed if it is an outlier). Meaning, if a data point is found to be an outlier, it is removed from the data set and the test is applied again with a new average and rejection region. This process is continued until no outliers remain in a data set.
Duplicate content issues can also arise when a site is accessible under multiple subdomains, such as with or without the "www." or where sites fail to handle the trailing slash of URLs correctly. [2] Another common source of non-malicious duplicate content is pagination, in which content and/or corresponding comments are divided into separate ...
The data rows may be spread throughout the table regardless of the value of the indexed column or expression. The non-clustered index tree contains the index keys in sorted order, with the leaf level of the index containing the pointer to the record (page and the row number in the data page in page-organized engines; row offset in file ...
Dainik Jagran was established in Jhansi, [10] a district town in United Provinces (later renamed Uttar Pradesh), [11] by Puranchand Gupta and first published in 1942. Prior to this, Gupta had worked as the managing editor of a local magazine since 1939 and would frequently visit Bombay to secure advertisements to publish in the magazine, which gave him the required connections and confidence ...