chr [1:1297] "3/15/2017" "3/14/2017" "3/13/2017" "3/10/2017" ...
| mean | median | std_dev | IQR | skewness | kurtosis | |
|---|---|---|---|---|---|---|
| nickel | 0.0489 | 0.0928 | 1.7072 | 2.0479 | 0.1932 | 5.2688 |
| copper | 0.0200 | 0.0595 | 1.1815 | 1.3508 | -0.2010 | 4.8894 |
| aluminium | 0.0149 | 0.0000 | 1.2080 | 1.0672 | -0.1557 | 6.3417 |
[1] 1.282969