Table 2 Summary statistics of the response variables (n = 1819) for spatial modeling
From: Mapping soil nutrients via different covariates combinations: theory and an example from Morocco
Parameters | pH | SOM (%) | K2O (ppm) | P2O5 (ppm) |
|---|---|---|---|---|
Mean | 7.32 | 7.82 | 290.34 | 100.86 |
Standard error | 0.01 | 0.27 | 6.73 | 3.60 |
Median | 7.2 | 2.44 | 240 | 28.66 |
Standard deviation | 0.33 | 11.65 | 286.99 | 153.54 |
Kurtosis | 0.85 | 15.25 | − 0.06 | 6.46 |
Skewness | 0.14 | 3.35 | 0.78 | 2.46 |
Range | 2.40 | 91.61 | 1258.13 | 1012.35 |
Minimum | 6.00 | 0.51 | 0.67 | 1.65 |
Maximum | 8.40 | 92.11 | 1258.8 | 1014 |
CV (%) | 4.52 | 148.95 | 98.85 | 152.23 |
Confidence level (95.0%) | 0.02 | 0.54 | 13.20 | 7.06 |