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Calculates the mean error (ME) from observed and predicted values.
me(observed, predicted)
Numeric vector of observed values
Numeric vector of predicted values. The length shall be the same as for observed.
The mean error (ME) calculated from the observed and the predicted values.
ME = bias = mean(observed - predicted)
# NOT RUN { o<-1:5 p<-c(2,2,4,3,5) me(observed=o, predicted=p) # }
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