Top 10 Most Powerful Microsoft Excel Functions for Data Analysts

Microsoft Excel includes quick stats via Analysis ToolPak; mean, median, and standard deviation are generated for selected ...
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How to Use the PIVOTBY Function in Excel

Excel's PIVOTBY function allows you to group your figures without needing to recreate your data in a PivotTable. What's more, data summaries created via PIVOTBY automatically update to reflect changes ...
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I use these 6 Excel array formulas to crush complex calculations

Excel's basic formulas work fine for simple calculations, but they quickly become cumbersome when you're dealing with complex data analysis. You end up with nested functions that are hard to read, ...
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Understanding the Efficiency Principle: Definition, Function, and Example

Daniel Liberto is a journalist with over 10 years of experience working with publications such as the Financial Times, The Independent, and Investors Chronicle. Erika Rasure is globally-recognized as ...
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Artificial Intelligence (AI): What It Is, How It Works, Types, and Uses

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Gordon Scott has been an active investor and ...