otp.Operation.str.upper#

_StrAccessor.upper(*, utf8=False)#

Converts a string to upper case.

Parameters:: utf8 (bool) – If set, then UTF-8 format is supported.
Returns:: Uppercased string
Return type:: Operation

Examples

>>> data = otp.Ticks(X=['HeLlO', 'wOrLd!'])
>>> data['UP'] = data['X'].str.upper()
>>> otp.run(data)
                     Time       X      UP
0 2003-12-01 00:00:00.000   HeLlO   HELLO
1 2003-12-01 00:00:00.001  wOrLd!  WORLD!