In this episode we complete the entire sixth module of Yandex's Data Science Introduction.

00:40 GIGO Methodology
04:03 Examples of Garbage Data ("NaN", duplicates, mislabeled)
07:29 Rename Columns 'set_axis()'
15:25 Check if empty 'is_null()' and 'sum()' and 'fillna()'
23:20 Duplicates 'duplicated()' and 'drop_duplicates()'
24:50 Unique and Replace

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