Open Access
Table 4.
Tests on (anti-)correlations.
| Rel. | rs | rp | Nr. | t | Prob. |
|---|---|---|---|---|---|
| Spearm. | Pearson | stars | stud. | two-tails | |
| Al–O | −0.602 | −0.638 | 160 | 9.477 | < 1.0 × 10−6 |
| Na–O | −0.676 | −0.693 | 183 | 12.342 | < 1.0 × 10−6 |
| Na–Mg | −0.242 | −0.267 | 184 | 3.738 | 2.5 × 10−4 |
| Na–Al | +0.691 | +0.704 | 160 | 12.460 | < 1.0 × 10−6 |
| Na–Si | +0.443 | +0.443 | 184 | 6.666 | < 1.0 × 10−6 |
| Al–Mg | −0.255 | −0.264 | 160 | 3.440 | 7.4 × 10−4 |
| Si–Mg | −0.286 | −0.305 | 183 | 4.309 | 2.7 × 10−5 |
| Si–Al | +0.275 | +0.266 | 159 | 3.458 | 7.0 × 10−4 |
| O–Si | −0.479 | −0.468 | 182 | 7.105 | < 1.0 × 10−6 |
| O–Mg | +0.397 | +0.402 | 182 | 5.890 | < 1.0 × 10−6 |
| Ca–Mg | +0.032 | +0.041 | 184 | 0.554 | 0.581 |
| Sc–Mg | −0.067 | +0.024 | 184 | 0.324 | 0.746 |
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