nrmse
From valmetrics v1.0.0
by Kristin Piikki
nrmse
Calculates the Normalised RMSE (NRMSE) from observed and predicted values.
Usage
nrmse(o, p)Arguments
- o
A numeric vector. Observed values.
- p
A numeric vector. Predicted values.
Details
Interpretation: smaller is better. Normalised RMSE (NRMSE) is computed as the RMSE divided by the mean of the observed valeus. NRMSE is sometimes called Relative RMSE (rRMSE) or Root mean square standardized (RMSS).
Value
Normalised RMSE (NRMSE)
References
Piikki K., Wetterlind J., Soderstrom M., Stenberg B. (2021). Perspectives on validation in digital soil mapping of continuous attributes. A review. Soil Use and Management. 10.1111/sum.12694
Examples
# NOT RUN {
obs<-c(1:10)
pred<-c(1, 1 ,3, 2, 4, 5, 6, 8, 7, 10)
nrmse(o=obs, p=pred)
# }
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