Table 1.
Predictor volatiles in random forest (RF) models and their correlations with canonical discriminant functions (CDFs)
| Groups in analysis | Predictor volatiles in RF | Model frequency | Correlation with CDF 1 | Correlation with CDF 2 | |
|---|---|---|---|---|---|
| A | I. aggregata day | Indole | 0·835 | –0·644 | –0·263 |
| I. aggregata night | (E)-3-Hexen-1-ol | 0·670 | 0·359 | –0·434 | |
| I. tenuituba day | Camphor | 0·535 | –0·099 | 0·167 | |
| I. tenuituba night | |||||
| B | I. aggregata GR | p-Anisaldehyde | 0·970 | 0·445 | 0·293 |
| I. aggregata PG | Caprolactone | 0·950 | 0·569 | 0·314 | |
| I. tenuituba GR | (E)-Sabinene hydrate | 0·875 | 0·657 | 0·131 | |
| I. tenuituba PG | α-Terpineol | 0·875 | 0·539 | 0·047 | |
| Indole | 0·615 | –0·031 | 0·471 | ||
| Benzyl acetate | 0·475 | 0·506 | 0·064 | ||
(A) Analysis of two species sampled at day vs. night. (B) Analysis of two species sampled at GR vs. PG site.