Nutrient exploratory analysis
Lara Wootton
5/3/2018
Data from Elsenburg analysis of soil samples from the Knersvlakte.
Pairs plot of all variables
Correlation graph. The size of the circles represents the magnitude of correlation between the variables
| Variable | Average | SD | Median | Max | Min |
|---|---|---|---|---|---|
| Acidity (cmol/kg) | 0.91 | 0.93 | 0.56 | 3.96 | 0.01 |
| Ca (cmol/kg) | 4.93 | 8.59 | 1.83 | 52.41 | 0.22 |
| Mg (cmol/kg) | 7.49 | 4.95 | 6.66 | 20.04 | 0.20 |
| Na (mg/kg) | 2237.02 | 1323.40 | 2132.50 | 5225.00 | 81.00 |
| K (mg/kg) | 194.32 | 135.72 | 24.00 | 689.00 | 19.00 |
| P (mg/kg | 34.21 | 37.14 | 24.00 | 238.00 | 8.00 |
| Olsen P (mg/kg) | 5.58 | 3.07 | 5.00 | 19.00 | 1.00 |
Individual variables
Acidity
Ca
Mg
Na
K
P
Olsen P
