ask 1. Import the data into R and give an overview over the data, using summary statistics asappropriate. If you access the data directly from the UK government webpage, it may be easiestto first load the data into Microsoft Excel and then to save the relevant section of the spreadsheetas a csv file. Make sure to read the explanations in the Excel file.As hinted at in the original spreadsheet, rows are duplicated, with the duplicates differing onlyin the column ‘Licence Category’. Since we are not interested in licence categories, remove thecolumn ‘Licence Category’ from the data, and then use the command unique() to remove theexcess rows. (You can type ‘help(unique)‘ to learn how this command works.) Your reportshould at least address the following issues:ˆ Give some general information about the data set.ˆ Convince the reader that you have imported the data correctly.ˆ State how many rows were removed as duplicates.ˆ What is the most common vessel name?

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Normalization

Normalization is the process of eliminating redundancy in a database by organizing the data into several smaller tables. The large tables are normalized (converted) into smaller tables by using normalization rules, so that a database administrator can easily handle them. It also eliminates insertion, deletion, and update anomalies.