otp.Source.tail (jupyter)

Source.tail(n=5, **kwargs)

Executes the query and returns last n ticks as a pandas dataframe.

It is useful in the Jupyter case when you want to observe last n values.

Parameters

• n (int) – number of ticks to return

• kwargs – parameters will be passed to otp.run

• self (Source) –

Return type

DataFrame

Examples

>>> data = otp.Ticks(X=list('abcdefgik'))
>>> data.tail()[['X']]
    X
0 e
1 f
2 g
3 i
4 k

See also

onetick.py.agg.last()

otp.run

onetick.py.Source.head()

onetick.py.Source.count()