Git isn't hard to learn, and when you combine Git and GitHub, you've just made the learning process significantly easier. This two-hour Git and GitHub video tutorial shows you how to get started with ...

Learn how to calculate and plot mathematical functions using a spreadsheet. This tutorial shows step-by-step how to set up formulas, visualize data, and create clear graphs for math and science ...

Analysis of variance (ANOVA) is a classical statistics technique that's used to infer if the unknown means (averages) of three or more groups are likely to all be equal or not, based on the variances ...

OSTechNix (Open Source, Technology, Nix*) regularly publishes the latest news, how-to articles, tutorials and tips & tricks about free and opensource software and technology.

While using Microsoft Excel for data analysis, you may sometimes need to search for and retrieve specific values. In such cases, Excel's LOOKUP function can be extremely useful. It allows you to ...

Q. Could you explain how the UNIQUE function works in Excel? A. Excel’s UNIQUE is a dynamic array function that can be an essential tool for data analysts and accountants. This function allows users ...