Table 3. Figures of Merit for Different SERS Methodsa.
method | N | RMSEP | SEP | BIAS |
---|---|---|---|---|
cAg@532 | 25 | 24% | 21% | 11% |
cAg@785 | 35 | 19% | 19% | –4% |
cAu@785 | 25 | 13% | 13% | 3% |
sAg@532 | 35 | 29% | 27% | 11% |
sAg@785 | 30 | 13% | 12% | 4% |
sAu@785 | 25 | 28% | 29% | –2% |
Normalization (as range scaling) was carried out to compare different methods; non-normalized RMSEP, BIAS, and SEP values are available in Supporting Information Table S8 (see Methods for details). N is the number of residuals for each method.