otp.Source.head (jupyter)#

Source.head(n=5, **kwargs)#

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

It is useful in the jupyter case when you want to observe first n values.

Parameters

  • n (int, default=5) – number of ticks to return

  • kwargs – parameters will be passed to otp.run

Return type

DataFrame

Examples

>>> data = otp.Ticks(X=list('abcdefgik'))
>>> data.head()[['X']]
  X
0 a
1 b
2 c
3 d
4 e

See also

otp.run Source.tail, Source.count