Excel Formula for Data Analysis

I need a clean, single-cell (or concise multi-cell, if unavoidable) formula that lets me run a repeatable data-analysis task on an existing worksheet. Once the formula is in place I should be able to drop... (Budget: $10 - $30 AUD, Jobs: Data Analysis, Data Management, Data Processing, Excel, Excel Macros, Excel VBA, Visual Basic, Visual Basic for Apps)