Such functions are called linear, for reasons that I'll explain soon enough (well, we generally want another condition for linear functions involving scalar multiples of the variable, but I'll ...

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Now that you've got a good sense of how to "speak" R, let's use it with linear regression to make distinctive predictions. The R system has three components: a scripting language, an interactive ...

Learn how to use the powerful Excel TREND and FORECAST functions in your spreadsheets for more insight and analyze data more effectively ...

Learn about and revise how to solve equations using the balance method with this BBC Bitesize GCSE Maths Edexcel study guide.

Learn how to graph linear regression in Excel. Use these steps to analyze the linear relationship between an independent and a dependent variable.

The lookup function in Excel can save you a lot of time and effort, but only if you actually know how to use its many forms and alterations.

A linear demand curve is a line representing the relationship between the demand for a product or service and its price. Everyone knows that sales are proportional to price: The more you charge for an ...