# Difference between revisions of "Root mean square error"

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The '''root mean square error''' ('''RMSE''') is a standard error measure for [[rating prediction]]. It penalizes large deviations more than small ones. The square root is taken so that the measure has the same unit as the original ratings. | The '''root mean square error''' ('''RMSE''') is a standard error measure for [[rating prediction]]. It penalizes large deviations more than small ones. The square root is taken so that the measure has the same unit as the original ratings. | ||

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+ | == See also == | ||

+ | * [[Mean absolute error]] (MAE) | ||

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+ | == External links == | ||

+ | * [[Wikipedia: Mean squared error]] | ||

[[Category:Evaluation measure]] | [[Category:Evaluation measure]] |

## Latest revision as of 09:38, 6 June 2011

The **root mean square error** (**RMSE**) is a standard error measure for rating prediction. It penalizes large deviations more than small ones. The square root is taken so that the measure has the same unit as the original ratings.

## See also

- Mean absolute error (MAE)