Tail / Manipulation Layer

Extract the last N rows from the DataFrame. Similar to pandas' tail() or R's tail().

Example with N=3:

Original DataFrame (10 rows):

RowValue
1A
......
10J

After tail(3):

RowValue
8H
9I
10J

Common applications:

  • Recent data inspection
  • Latest record verification
  • End-of-period analysis
  • Final state checking
  • Log file monitoring
  • Most recent entries review
  • Update verification
  • Trend endpoint analysis

Note: Returns all columns for selected rows, maintaining data relationships.

Table
0
0
Table

N

u32
3

Number of rows to select from end. Common uses:

  • Small preview (3-5 rows) for quick checks
  • Medium sample (10-20 rows) for recent patterns
  • Larger view (50-100 rows) for trend analysis
  • Full period (24, 168 rows) for time-based data Must be at least 1