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In information retrieval, Okapi BM25 (BM is an abbreviation of best matching) is a ranking function used by search engines to estimate the relevance of documents to a given search query. It is based on the probabilistic retrieval framework developed in the 1970s and 1980s by Stephen E. Robertson , Karen Spärck Jones , and others.
In a spreadsheet functions can be nested one into another, making complex formulas. The function wizard of the OpenOffice.org Calc application allows to navigate through multiple levels of nesting, [further explanation needed] letting the user to edit (and possibly correct) each one of them separately. For example: =IF(SUM(C8:G8)=0,"Y","N")
Formulas in the B column multiply values from the A column using relative references, and the formula in B4 uses the SUM() function to find the sum of values in the B1:B3 range. A formula identifies the calculation needed to place the result in the cell it is contained within. A cell containing a formula, therefore, has two display components ...
From its first version Excel supported end-user programming of macros (automation of repetitive tasks) and user-defined functions (extension of Excel's built-in function library). In early versions of Excel, these programs were written in a macro language whose statements had formula syntax and resided in the cells of special-purpose macro ...
MOSCOW (Reuters) - Russian President Vladimir Putin on Monday accused the West of pushing Russia to its "red lines" - situations it has publicly made clear it will not tolerate - and said Moscow ...
The formula essentially slides the function along the x-axis, calculating the integral of their product at each position. When the functions match, the value of () is maximized. This is because when peaks (positive areas) are aligned, they make a large contribution to the integral.
One cup provides 40% of the daily recommended intake, primarily in the form of beta-carotene, which is essential for eye health and immune function, she notes. Cantaloupe is a perfect fit for ...
A study finds that people who engage in just 30 minutes of exercise per week see modest improvements in body weight and body fat but for clinically significant improvements they need a higher average.
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