Table 8 Descriptive statistics for principal components
Component | Plant type | N | Mean | Std. Deviation | Std. Error | 95% Confidence Interval for Mean | |
|---|---|---|---|---|---|---|---|
| Â | Â | Â | Â | Â | Â | Lower Bound | Upper Bound |
PC1 | Wheat | 87 | -.21 | .76 | .08 | -.37 | -.05 |
| Â | Brome grass | 104 | -.19 | 1.01 | .10 | -.39 | .00 |
| Â | Ryegrass | 38 | 1.02 | .82 | .13 | .75 | 1.29 |
| Â | Total | 229 | .00 | 1.00 | .07 | -.13 | .13 |
PC2 | Wheat | 87 | -.26 | 1.07 | .11 | -.49 | -.03 |
| Â | Brome grass | 104 | .35 | .88 | .09 | .17 | .52 |
| Â | Ryegrass | 38 | -.35 | .86 | .14 | -.64 | -.07 |
| Â | Total | 229 | .00 | 1.00 | .07 | -.13 | .13 |
PC3 | Wheat | 87 | .24 | .92 | .10 | .05 | .44 |
| Â | Brome grass | 104 | .09 | .90 | .09 | -.09 | .26 |
| Â | Ryegrass | 38 | -.80 | 1.06 | .17 | -1.15 | -.45 |
| Â | Total | 229 | .00 | 1.00 | .07 | -.13 | .13 |