| r2 | R Documentation | 
Calculates the coefficient of determination (r2) for a linear regression model between predicted values and observed values.
r2(observed, predicted)
| observed | Numeric vector of observed values | 
| predicted | Numeric vector of predicted values. The length shall be the same as for observed. | 
Coefficient of determination (r2) for a linear regression model between predicted values and observed values.
o<-1:5
p<-c(2,2,4,3,5)
r2(observed=o, predicted=p)
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