When I run my code, I get the following error and suddenly the execution
of the script stops. Where in my data is the problem?
Something is wrong; all the MAE metric values are missing:
RMSE Rsquared MAE
Min. : NA Min. : NA Min. : NA
1st Qu.: NA 1st Qu.: NA 1st Qu.: NA
Median : NA Median : NA Median : NA
Mean :NaN Mean :NaN Mean :NaN
3rd Qu.: NA 3rd Qu.: NA 3rd Qu.: NA
Max. : NA Max. : NA Max. : NA
NA's :8 NA's :8 NA's :8
Error: Stopping
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