Linear Interpolation (Jump to: Lecture | Video )

Linear Interpolation

Linear Interpolation involves using a linear equation to predict values that are inside the range of your data set.

Figure 1.

Above, we have 6 points graphed on a coordinate plane. What would "y" be if we have an "x" of 5? We can use that graph to extrapolate that information:

Figure 2.

Our "y" would be 8.

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