Mineração de dados Acessar: https://colab.research.google.com/gist/carolsprak/5fc784ab5e1555263ec96556c218afa4/datascience2019.ipynb Acessar: https://colab.research.google.com/gist/carolsprak/73065d628925c2280169d21337d180e3/otrs_datascience_2019_2020.ipynb