andrew_gelman_stats andrew_gelman_stats-2011 andrew_gelman_stats-2011-512 knowledge-graph by maker-knowledge-mining

512 andrew gelman stats-2011-01-12-Picking pennies in front of a steamroller: A parable comes to life


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Introduction: Chapter 1 On Sunday we were over on 125 St so I stopped by the Jamaican beef patties place but they were closed. Jesus Taco was next door so I went there instead. What a mistake! I don’t know what Masanao and Yu-Sung could’ve been thinking. Anyway, then I had Jamaican beef patties on the brain so I went by Monday afternoon and asked for 9: 3 spicy beef, 3 mild beef (for the kids), and 3 chicken (not the jerk chicken; Bob got those the other day and they didn’t impress me). I’m about to pay and then a bunch of people come in and start ordering. The woman behind the counter asks if I’m in a hurry, I ask why, she whispers, For the same price you can get a dozen. So I get two more spicy beef and a chicken. She whispers that I shouldn’t tell anyone. I can’t really figure out why I’m getting this special treatment. So I walk out of there with 12 patties. Total cost: $17.25. It’s a good deal: they’re small but not that small. Sure, I ate 6 of them, but I was hungry. Chapt


Summary: the most important sentenses genereted by tfidf model

sentIndex sentText sentNum sentScore

1 Chapter 1 On Sunday we were over on 125 St so I stopped by the Jamaican beef patties place but they were closed. [sent-1, score-0.781]

2 Jesus Taco was next door so I went there instead. [sent-2, score-0.157]

3 Anyway, then I had Jamaican beef patties on the brain so I went by Monday afternoon and asked for 9: 3 spicy beef, 3 mild beef (for the kids), and 3 chicken (not the jerk chicken; Bob got those the other day and they didn’t impress me). [sent-5, score-2.017]

4 I’m about to pay and then a bunch of people come in and start ordering. [sent-6, score-0.082]

5 The woman behind the counter asks if I’m in a hurry, I ask why, she whispers, For the same price you can get a dozen. [sent-7, score-0.184]

6 Chapter 2 A half hour later, I’m pulling keys out of my pocket lock up my bike and a bunch of change falls out. [sent-16, score-0.646]

7 25, so I had three quarters in my pocket, plus whatever happened to be there already. [sent-18, score-0.273]

8 ) I see all three quarters plus a couple of pennies. [sent-19, score-0.273]

9 The change is on the street, and, as I’m leaning down to pick it up, I notice there’s a parked car, right in front of me, with its engine running. [sent-20, score-0.436]

10 There’s no way the driver can see me if I’m bending down behind the rear wheels. [sent-21, score-0.385]

11 It suddenly comes to me—this is what they mean when they talk about “picking pennies in front of a steamroller. [sent-23, score-0.372]

12 After a brief moment of indecision, I bent down and picked up the quarters. [sent-25, score-0.088]

13 The last time I experienced an economics cliche in real time was a few weeks ago, when I spotted $5 in cash on the street. [sent-29, score-0.262]


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tfidf for this blog:

wordName wordTfidf (topN-words)

[('beef', 0.469), ('patties', 0.312), ('spicy', 0.208), ('whispers', 0.208), ('jamaican', 0.196), ('pennies', 0.187), ('pocket', 0.176), ('quarters', 0.164), ('chicken', 0.155), ('front', 0.116), ('street', 0.11), ('plus', 0.109), ('behind', 0.105), ('bending', 0.104), ('rear', 0.104), ('taco', 0.104), ('indecision', 0.098), ('cliche', 0.094), ('parked', 0.094), ('spotted', 0.094), ('st', 0.094), ('cost', 0.092), ('impress', 0.09), ('hurry', 0.09), ('backs', 0.09), ('chapter', 0.088), ('bent', 0.088), ('ate', 0.088), ('leaning', 0.085), ('keys', 0.085), ('jesus', 0.084), ('lock', 0.084), ('bunch', 0.082), ('jerk', 0.082), ('went', 0.081), ('masanao', 0.08), ('sunday', 0.08), ('counter', 0.079), ('door', 0.076), ('mild', 0.076), ('afternoon', 0.075), ('bike', 0.075), ('cash', 0.074), ('monday', 0.073), ('pulling', 0.072), ('change', 0.072), ('driver', 0.072), ('engine', 0.069), ('suddenly', 0.069), ('walk', 0.067)]

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