otp.Operation.str.upper# upper()# Converts a string to upper case. 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!