Data Web Scraping New York City Menu Items

Posted on Feb 20, 2017
The skills the author demoed here can be learned through taking Data Science with Machine Learning bootcamp with NYC Data Science Academy.

Introduction

Restaurant reviews are extremely common and used frequently by users to find restaurants with good reviews near them. Yelp, Urbanspoon, and Zomato are just a few of the popular apps and websites that aggregate reviews. However, these sites, while incredibly useful and popular, could do a better job of providing data insights into individual menu items. What's good, what's overpriced, and where to find it.

I wanted to create a way to search by menu item and see prices, information and location. I scraped menus from the website Allmenus.com using Scrapy, providing me with menu items, prices, and descriptions, along with the locations and names of the restaurants. After data cleaning and removing lower priced items like beverages, I was left with about 500,000 menu items, mostly contained to Manhattan. From there, I created a map in shiny using R and leaflet that allows the user to filter by cuisine and more interestingly, by ingredient and even cooking method.

Data

Data Web Scraping New York City Menu Items On the map, there are markers colored by the price of the item, Green for items less than $10, yellow less than $15, orange less than $20, and red for items that cost over $20

Clicking on a marker provides info about the item, including the restaurant, price, and description.

Popup_DescriptionThe map also provides the number of search results, as well as the minimum and maximum price

 

A heat map is also included, allowing the user to get a sense for the density of items with the desired features

Data Web Scraping New York City Menu Items

 

Additionally, there is a table tab, so users can see the database the map is pulling from. Using this they can sort by price, the name of the item or restaurant, or by location.

Data Web Scraping New York City Menu Items

 

Finally, histograms of price are created dynamically, following a similar coloring structure, lower priced items in green and highest priced items in red. These histograms allow the user to gain insights into the distribution of prices, as well as the mean and median. Users can also change the bin size manually.

Price_Histogram

 

Summary

This application could be useful for potential restaurateurs, allowing them to get a sense for individual menu items around the city. They could use this information to competitively price their items or find locations where their food is not well represented, allowing them to take advantage of this information to better position their restaurant in the marketplace. It could also be useful for consumers, allowing users to find menu items with ingredients they like across cuisines. They can also find restaurants near them thatΒ  they haven't tried yet, but are intrigued by a specific menu item.

In the future I would like to add the ability for users to rate individual menu items in addition to the restaurant overall, as I feel this would be provide useful information to users about which items to get when they eat at a restaurant as well as allow for a recommendation system based on the reviews individual items.

About Author

Daniel Epstein

Daniel Epstein is a neuroscience PHD candidate at the University of Utah, expecting to graduate in summer 2017. While performing analyses on behavioral and neuroimaging data, he became interested in utilizing data science to understand human behavior and...
View all posts by Daniel Epstein >

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The Use of Web Scraping Services in Research - DataHen February 5, 2019
[…] see such information about it as prices, location and other details. Thus, he decided to do his own research using a web scraping […]
Jordan Brooker December 19, 2017
Hello, I am working on a similar project for a class and I was wondering about your use of allmenus.com. In their terms & conditions, they say that users are not allowed to scrape or automatically access their webpages. Was the different when you completed this project? If you only access the site at a rate comparable to a real user, is that ok? Or, do you know of any restaurant sites that allow scraping?

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