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  2. Data deduplication - Wikipedia

    en.wikipedia.org/wiki/Data_deduplication

    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.

  3. Table (database) - Wikipedia

    en.wikipedia.org/wiki/Table_(database)

    In a database, a table is a collection of related data organized in table format; consisting of columns and rows.. In relational databases, and flat file databases, a table is a set of data elements (values) using a model of vertical columns (identifiable by name) and horizontal rows, the cell being the unit where a row and column intersect. [1]

  4. Wikipedia talk:Lists of protected pages - Wikipedia

    en.wikipedia.org/wiki/Wikipedia_talk:Lists_of...

    The bot will automatically list the page, but it sometimes misses or mishandles them. If you manually list a page here, it will work fine--the bot will not duplicate it--but of course that requires more work on your part. This is much less of an issue now with expiring protections and if Special:Protectedpages is fixed to work properly.

  5. Data analysis - Wikipedia

    en.wikipedia.org/wiki/Data_analysis

    One should check the success of the randomization procedure, for instance by checking whether background and substantive variables are equally distributed within and across groups. [ 121 ] If the study did not need or use a randomization procedure, one should check the success of the non-random sampling, for instance by checking whether all ...

  6. Database index - Wikipedia

    en.wikipedia.org/wiki/Database_index

    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-organized engines). In a non-clustered index, The physical order of the rows is not the same as the index order.

  7. Sequence analysis - Wikipedia

    en.wikipedia.org/wiki/Sequence_analysis

    The output of gene expression analysis is typically a table with values representing the expression levels of gene IDs or names in rows and samples in the columns as well as standard errors and p-values. The results in the table can be further visualized using volcano plots and heatmaps, where colors represent the estimated expression level.

  8. Comma-separated values - Wikipedia

    en.wikipedia.org/wiki/Comma-separated_values

    CSV is a delimited text file that uses a comma to separate values (many implementations of CSV import/export tools allow other separators to be used; for example, the use of a "Sep=^" row as the first row in the *.csv file will cause Excel to open the file expecting caret "^" to be the separator instead of comma ","). Simple CSV implementations ...

  9. Row equivalence - Wikipedia

    en.wikipedia.org/wiki/Row_equivalence

    The fact that two matrices are row equivalent if and only if they have the same row space is an important theorem in linear algebra. The proof is based on the following observations: Elementary row operations do not affect the row space of a matrix. In particular, any two row equivalent matrices have the same row space.