pyspark.pandas.Series.str.upper¶
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str.upper() → pyspark.pandas.series.Series¶ Convert strings in the Series/Index to all uppercase.
Examples
>>> s = ps.Series(['lower', 'CAPITALS', 'this is a sentence', 'SwApCaSe']) >>> s 0 lower 1 CAPITALS 2 this is a sentence 3 SwApCaSe dtype: object
>>> s.str.upper() 0 LOWER 1 CAPITALS 2 THIS IS A SENTENCE 3 SWAPCASE dtype: object