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Data Science Blog > Python > Whiskey Advocate Data

Whiskey Advocate Data

Jay Chudasama
Posted on Nov 23, 2021
The skills the author demoed here can be learned through taking Data Science with Machine Learning bootcamp with NYC Data Science Academy.
GitHub|LinkedIn

BACKGROUND AND INSPIRATION

Over the years, I’ve tasted a very limited selection of whiskies, and they have tended to be the usual common brands such as Johnnie Walker and Glenlivet. I've always wondered, is there a strong relationship between price and quality? A whiskey bottle could set you back $10 and in some cases even $100,000 . Whiskey prices are dictated by supply, demand, age, brand, etc. My analysis through the data gathered will focus on price and rating.

I was able to web scrape a website called Whiskyadvocate. Whiskyadvocate is America's leading whisky publication. It's a premier source for whisky information, education and entertainment for whisky enthusiasts. There are over 5,000+ whiskey reviews and its this data I plan to use.

PROJECT GOALS

  • Is there a strong relationship between price and rating?
  • Select top rated whiskies that costs less $ 150

DATA DICTIONARY

  • Category – Whiskey category
  • Brand – Whiskey brand
  • Title – Whiskey title
  • Alcohol Percentage- Alcohol Content
  • Price: Price of the whiskey bottle (USD)
  • Reviewer: Reviewed by
  • Review: Rating (out of 100):
    • 95-100 points—Classic: a great whisky
    • 90-94 points— Outstanding: a whisky of superior character and style
    • 85-89 points—Very good: a whisky with special qualities
    • 80-84 points—Good: a solid, well-made whisky
    • 75-79—Mediocre: a drinkable whisky that may have minor flaws
    • 50-74—Not recommended

Whiskey Advocate Data

Note - Data outside the 95% confidence interval were removed due to price outliers

DATA ANALYSIS

Price vs. Review Data

Does price yield a better overall rating? As expected, as you increase price, the overall rating increases:

Whiskey Advocate Data

Review Distribution Data

We can see the reviews are distributed around 85-95 out of 100. In general, if you were to pick a whiskey bottle randomly you would most likely pick a bottle that reviewed well. Note - The PDF is skewed to the left.Whiskey Advocate Data

Data of Top 15 Whiskey Categories

Lets now focus on the top 15 categories - This shouldn't come as a surprise, there's a large number of different single malts (Scotch) produced in excess of 2,000 bottles, followed by Bourbon, and Rye.

Whiskey Advocate Data

Average - Category Review vs Price – Top 15

  • The 'Irish Single Pot Still' category on average scored the highest review at a price of < $200 and a score of 92 out of 100.
  • Japanese whiskies are ranked second which is no surprise due to its high popularity.
  • However, I would have expected a Single Malt Scotch in the top 15 considering there are over 2,000 different whiskies in this category.

Price (<$150) Box Plot – Top 15

  • Single Malt Scotch and American Whiskies cost on average of ~$100.
  • Canadian whiskies were priced at $65.
  • Blended Malt Scotch Whiskies contained the greatest price dispersion.

Review  (<$150) Box Plot – Top 15

  • Bourbon/Tennessee on average yielded a greater review of 93/100 vs Irish/American Single Malts reviewed less favorably.
  • Before we highlight a final selection of top whiskies, lets calculate look at the review points per $1 spent.

Whiskey Advocate Data

Review Data Points/$1 – Top 15

  • For every $1 spent, English Grain Whiskey yielded 1.4 review points.
  • Bourbon yielded 1.15 review points for every $1 spent.
  • For every $1 spent, Irish single malts yielded 0.29 review points.
  • While Japanese whiskies are popular, you would need to spend more for a good bottle – 0.43 points per dollar spent.

Whiskey Advocate Data
CONCLUSION

  • Price does indeed yield a highly rated whiskey.
  • The top whiskies of choice purely based on price/review were two Bourbons:
    • Parker's Heritage Collection, 'Golden Anniversary - $150 – Scored 97/100.
    • Four Roses Limited Edition Small Batch (2013 Release) - $85 – Scored 97/100.

FUTURE WORK

  • To expand this data analysis, I would extract key terms from the actual review vs the overall score. This would help drive further insight and develop a more meaningful analysis.
  • The overall conclusion, assumes all whiskies are the same. However, there are many differences between bottles within a category and across categories. For example, Bourbons are sweet and a subset of Scotch whiskies are smoky in flavor. This analysis needs to be refined to capture these differences, and to identify top picks unique to the reader.
  • As a closing comment, the prices in this data set needs to be refreshed as they are stale. For example, the Parker's Heritage Collection, 'Golden Anniversary' whiskey bottle costs $4,000 and not $150.

About the Author

I am currently a Director at RBC working in the Equities Derivatives Technology Group. I graduated with a BSc in Computer Science from University of College London and recently completed my MBA at Chicago Booth. I am keen to explore the data science world and create actionable insight.

About Author

Jay Chudasama

View all posts by Jay Chudasama >

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