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Excel offers many user interface tweaks over the earliest electronic spreadsheets; however, the essence remains the same as in the original spreadsheet software, VisiCalc: the program displays cells organized in rows and columns, and each cell may contain data or a formula, with relative or absolute references to other cells. Excel 2.0 for ...
Looking down the column, the software finds the first non-blank cell and assumes that everything else in the column is in the same format. But a number of things can go wrong: Mixed types of data in a column don't sort right. For example, in a column that's for calendar dates, don't put "Unknown" where a date isn't known. Just leave the cell blank.
A dash, of any kind, in a blank cell in one of the first 5 cells in a column breaks default numerical sorting of a column. A dash in front of a number does not break numerical sorting. Dashes are allowed anywhere in cells if data-sort-type=number is used in the column header.
Data cleansing or data cleaning is the process of identifying and correcting (or removing) corrupt, inaccurate, or irrelevant records from a dataset, table, or database. It involves detecting incomplete, incorrect, or inaccurate parts of the data and then replacing, modifying, or deleting the affected data. [ 1 ]
In computer science, lazy deletion refers to a method of deleting elements from a hash table that uses open addressing. In this method, deletions are done by marking an element as deleted, rather than erasing it entirely. Deleted locations are treated as empty when inserting and as occupied during a search.
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Export (Excel): Specifies whether the product support exporting (saving) selected rows to an Excel file. Usually also implies capability to copy the rows to the clipboard (in some format) for pasting into Excel.
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