![]() ![]() Choose Insert Regression Curve Equation.īy default, the coefficient of determination R 2 and equation have little precision.Carefully right click the regression line.Choose the type of regression line you want.Double click the chart to enter chart edit mode.Click off the chart to make sure the chart is not selected.There are no values for a woman 80 inches tall, but using either the curve or its function, her height could be extrapolated to about 198 lbs. ![]() For example, looking at the chart on the right. In case statistics class is a fuzzy memory for you, a regression curve calculates a mathematical function to describe a set of data. ![]() For while, charts in Calc could do regression analysis, and starting in 2.4, there is an easy way to display the equation to the chart. ![]()
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