Data Preprocessing and Visualization

Once you have established a connection to the database, you need to transform $($preprocess$)$ your data toget it into a more consistent, accurate, and reliable format. This will then allow you to explore and visualizethe data to gain significant insights into it$.$

$2\mathrm{.}1$ Preprocessing and visualizing the data

a$.$ Perform any necessary cleaning and preprocessing of the data.

$(4$ Marks$)$