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8. Navigate to the location where you have downloaded the dataset file. Select the file and click on the Open
button. The selected file is opened in the Tableau Public window.
Open dialog box
As you can see the opened file in which some cell shows the null values that have no use in visualisation. Hence,
we need to first curate the data before visualisation. Curation is the first step in the process of data visualization.
It makes the data ready to visualise.
Processing Data
AI Project Cycle 229

