New Code Cell #3

## CLEAN UP SURVEY (1) - Delete duplicates rows and NaN columns

ConfidenceS14 = clean_Dupli_NaN(ConfidenceS14)
ConfidenceS15 = clean_Dupli_NaN(ConfidenceS15)
ConfidenceS16 = clean_Dupli_NaN(ConfidenceS16)
ConfidenceS17 = clean_Dupli_NaN(ConfidenceS17)


ConfidenceS14.shape

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