Compare the prices and ratings of wines by wine type

Assignment Help Computer Engineering

Reference no: EM133703829

Question

1. Import all the data from different files into three dataframes. Write R codes to fill the last three empty columns that is "Country", "Rating" and "NumberofRating" in the Wine dataframe with appropriate information provided from the other datasets. (Hint: using merge function)

2. Compare the prices and ratings of wines by wine type (red and white) by creating side-by-side boxplots. If the presence of outliers in the plots hinders the interpretation of the data, adjust the plots accordingly to exclude outliers and ensure clearer visualization. Re-do the plots with the appropriate adjustments to facilitate better analysis and interpretation.

4 Considering the wineries data frame,
a. Propose a classification system for wines based on their characteristics. Provide a brief justification for the chosen classification criteria. (20 marks)
b. Rank wineries according to the selected criteria.
c. Create dataframe containing winery names and their corresponding rankings.
d. Sort the dataframe in descending order of the rankings to display the best wineries first.

Reference no: EM133703829

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