bigframes.pandas.api.typing.StringMethods.upper#

StringMethods.upper()→T[source]#

Convert strings in the Series/Index to uppercase.

Equivalent tostr.upper().

Examples:

>>>importbigframes.pandasasbpd

>>>s=bpd.Series(['lower',...'CAPITALS',...'this is a sentence',...'SwApCaSe'])>>>s.str.upper()0                 LOWER1              CAPITALS2    THIS IS A SENTENCE3              SWAPCASEdtype: string

Returns:

Series with uppercase strings.

Return type:

bigframes.series.Series