New York Pizza How to Find the Best Jared P. Lander Columbia University December 3, 2008.
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Transcript of New York Pizza How to Find the Best Jared P. Lander Columbia University December 3, 2008.
New York Pizza How to Find the Best
Jared P. LanderColumbia UniversityDecember 3, 2008
What is New York Style?
Charring and air bubbles around the crust
Thin Slices
Just the right bend for folding
Family TreeLombardi’s (1905)
Totonno’s (1924)
Patsy’s (1933)
John’s of Bleecker (1929)
Grimaldi’s (1990)
The Data
MenuPages.com has menus, ratings, locations and price information for nearly 700 restaurants tagged as pizza in Manhattan and parts of Brooklyn
Slice, a pizza blog, has a definitive listing (and maps) of coal pizzerias An exhaustive Google search provided wood classifications
The Data
Rating Histogram
Ratings Breakdown
Model for Rating
logit(Rating/5.5) ~ 0.77571 – 0.1782*AreaMidtown Wald test
Model 1: logit(Rating/5.5) ~ Area Model 2: logit(Rating/5.5) ~ 1 Res.Df Df F Pr(>F) 1 640 2 643 -3 2.8195 0.03826 *
Perhaps is more appropriate due to its simplicity and the minimal impact of the lone coefficient in the model Maybe all pizza is for the most part pretty good
3.646Y_
Ratings Breakdown
.020 .005 .006
One Sided P-Value
Review Count
Use the number of reviews as a proxy for popularity
Why do people frequent these pizzerias in the first place?
Number of Reviews by Area
Number of Reviews by Fuel
Number of Reviews by Price
Reviews Histogram
Approximately Poisson
Model for Review Count
Number.Reviews ~ 3.826 + 0.157*AreaUptown – 1.641*FuelGas – 0.734*FuelWood - 0.545*PriceExpensive + 0.119*FuelGas:PriceExpensive + 0.670*FuelWood:PriceExpensive (Poisson Regression)
Coefficients: Estimate SE z-value
Pr(>|z|) (Intercept) 3.82693 0.05899 64.876 < 2e-16 *** AreaUptown 0.15733 0.02156 7.297 2.94e-13 *** FuelGas -1.64163 0.06019 -27.273 < 2e-16 *** FuelWood -0.73476 0.08884 -8.271 <
2e-16 *** PriceExpensive -0.54561 0.07919 -6.890 5.60e-12 *** FuelGas:PriceExpensive 1.11908 0.08289 13.501 < 2e-16 *** FuelWood:PriceExpensive 0.67017 0.10819 6.195 5.85e-10 ***
Model for Review Count
Number.Reviews ~ 3.826 + 0.157*AreaUptown – 1.641*FuelGas – 0.734*FuelWood - 0.545*PriceExpensive + 0.119*FuelGas:PriceExpensive + 0.670*FuelWood:PriceExpensive (Poisson Regression)
Wald test Model 1: Number.Reviews ~ Area + Fuel + Price +
Price * Fuel Model 2: Number.Reviews ~ 1 Res.Df Df F Pr(>F) 1 637 2 643 -6 309.94 < 2.2e-16 ***
Fitted Values
Coal and then wood dominates!
All pizzerias on this list are categorized as expensive
Both Uptown and Downtown
Top Pizzerias
Lombardi’s Di Fara Joe’s John’s of Bleecker Totonno’s (Coney
Island) Vinny Vincenz Pizza 33 No. 28
Patsy’s (East Harlem)
Artichoke Maffei’s New York Pizza
Suprema Una Pizza
Napoletana Franny’s
Conclusions
Coal ovens attract large crowds and the higher prices are worth paying
The old adage about pizza is true: “Even when it’s bad, it’s still good.”
Jared’s Picks
Pie:
Margherita:
Neapolitan:
Upscale:
Largest:
John’s of Bleecker
Pizza 33
Joe’s (Carmine St.)
Una Pizza Napoletana
Koronet
Specialty:
Sicilian:
Grandma:
Upside Down:
Cheapest:
Artichoke
Vinny Vincenz
Maffei’s
New York Pizza Suprema
Crocodile Lounge*
* Free with purchase of beer