Subset Properties
Properties
| End | Gets the index of the observation past the last visible observation. |
| IsContiguous | Gets whether the subset selects a contiguous range which may wrap around the end of the collection. |
| IsEmpty | Gets whether the subset is empty. |
| IsSlice | Gets whether the subset selects a contiguous range. |
| Item | Gets the position of the observation at the specified index. |
| Length | Gets the number of elements in the subset. |
| Original | Gets the length of the original data. |
| Start | Gets the index of the first visible observation. |