Frame drop_rows

---

drop_rows(self, predicate)

Erase any row in the current frame which qualifies.

Parameters:

predicate : function

UDF which evaluates a row to a boolean; rows that answer True are dropped from the Frame

Examples

>>> frame.inspect()
[#]  name      age  tenure  phone
====================================
[0]  Fred       39      16  555-1234
[1]  Susan      33       3  555-0202
[2]  Thurston   65      26  555-4510
[3]  Judy       44      14  555-2183
>>> frame.drop_rows(lambda row: row.name[-1] == 'n')  # drop people whose name ends in 'n'
[===Job Progress===]
>>> frame.inspect()
[#]  name  age  tenure  phone
================================
[0]  Fred   39      16  555-1234
[1]  Judy   44      14  555-2183

More information on a UDF can be found at Python User Functions.