By Kardi Teknomo, PhD .

## Recursive Average & Variance Tutorial

This tutorial introduces you with efficient methods to compute simple statistics such as time average and time variance of any measurement data using recursive formula. Other useful method to revive back your original data from the statistics and correcting mean and variance in efficient way are also explained.

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Click the topics below:
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Usual Computation of Average and Variance

Why do we need recursive formula?

Recursive Average ( proof )

Characteristics of Recursive Average

Recursive Variance ( proof )

Data Revival from the Statistics ( proof )

Correction of Measurement ( proof mean formula , proof variance formula )

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See Also
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:

Mean and Average
,
Machine Learning tutorial
,
Difference Equation
,
Q-learning

These tutorial is copyrighted .

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Preferable reference for this tutorial is
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Teknomo, Kardi. (2006) Recursive Average and Variance.

http://people.revoledu.com/kardi/tutorial/RecursiveStatistic/index.html