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what is the formula of percentage error. It is always necessary to understand the cause of the error such as whether it is due to the imprecision of your equipment your own estimations or a mistake in your experiment. In other words the percent error is the relative error multiplied by 100.
For many applications percentage error is expressed as a positive value. The computation of percentage error involves the use of the absolute error which is simply the difference between the observed and the true value. Relative error 10 80 0125.
This formula is similar to percentage change.
Percentage Error is all about comparing a guess or estimate to an exact value. By doing so you will get the relative error. The formula for the mean percentage error is. The computation of percentage error involves the use of the absolute error which is simply the difference between the observed and the true value.