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Pandas is built around data structures called Series and DataFrames. Data for these collections can be imported from various file formats such as comma-separated values, JSON, Parquet, SQL database tables or queries, and Microsoft Excel. [8] A Series is a 1-dimensional data structure built on top of NumPy's array.
Comma-separated values (CSV) is a text file format that uses commas to separate values, and newlines to separate records. A CSV file stores tabular data (numbers and text) in plain text, where each line of the file typically represents one data record.
array[i] means element number i, 0-based, of array which is translated into *(array + i). The last example is how to access the contents of array. Breaking it down: array + i is the memory location of the (i) th element of array, starting at i=0; *(array + i) takes that memory address and dereferences it to access the value.
Deleting a page is straightforward: click on Delete in the Tools menu on the page (this option is only visible to administrators), select a reason or enter a custom reason, and click Delete page. Admins can likewise undelete pages, usually due to a request at WP:Requests for undeletion or WP:Deletion review .
Move the page to a new title (say, PageName/deleted revisions YYYY-MM-DD, where YYYY-MM-DD is today's date) and delete them. Restore the remaining versions of the article. Another difference between these methods is that the former leaves an entry in the page history marking the page moves, while in the latter the only trace of the process is ...
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Anyone can disagree with your request for any reason; all they have to do is remove the tag. If the tag stays there for seven days, an administrator will check the article and delete it if they agree with your reason. If the tag is removed, the article won't be deleted; if at this stage you still think it should go, see the next section.
Pivot tables are not created automatically. For example, in Microsoft Excel one must first select the entire data in the original table and then go to the Insert tab and select "Pivot Table" (or "Pivot Chart"). The user then has the option of either inserting the pivot table into an existing sheet or creating a new sheet to house the pivot table.