Coffee Hour
Wu Tsai Institute · 2 – 3 pm Daily
People ahead of you
Current time
~12
minutes
based on 10 logged visits
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Wait Time vs. Line Length
Residuals
actual − predicted wait, per visit · points near zero mean the model fits well
Wait by Arrival Time
descriptive only — bars are confounded by how busy each time-bin is, not a causal arrival → wait effect
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