In our setting, this is a regression problem to predict label values, RMSE is employed as the evaluation metric. The RMSE of a test set is given by:
\[ \text {RMSE} = \sqrt{ \sum\nolimits_{i=1}^{n} \frac{\left(y_{predicted,i} - y_{measured,i}  \right)^2}{n} } \]
Submission Format
The file should contain a header and have the following format:
smile,LogS
O=C1CCCN1,1.68