brchr
Joined 11 years ago
Joined 11 years ago
It is true that some/many Rolex AD’s will allocate the most desirable watches to customers with an existing purchase history, and that some customers therefore buy less desirable models in order to earn goodwill with the AD.
However, it is not the case that the most desirable watches are necessarily (or even on average) the most expensive models. For instance, it is generally the steel models that are the most desirable and command the highest markup from MSRP on the secondary market. The Submariner, the Daytona, the GMT-Master II: almost all of Rolex’s most iconic, most in-demand, most "flippable" watches are the full steel versions, which are the cheapest versions of those model families.
To give a concrete example, it is generally considered easier to get a full-gold GMT (~$43k) or a two-tone (half steel, half gold) GMT (~$18k) at an Authorized Dealer than it is to get the full steel version ($11k).
# Download and extract zip file
import requests
import zipfile
import io
# Get raw data from Clark County website
zip_url = "https://elections.clarkcountynv.gov/electionresultsTV/cvr/24G/24G_CVRExport_NOV_Final_Confidential.zip"
# Download the zip file
response = requests.get(zip_url)
zip_file = zipfile.ZipFile(io.BytesIO(response.content))
# Extract to the current working directory
zip_file.extractall()
# Close the zip file
zip_file.close()
import pandas as pd
import matplotlib.pyplot as plt
import numpy as np
# Read the actual data, skipping the first three header rows and excluding downballot races
df = pd.read_csv('/content/24G_CVRExport_NOV_Final_Confidential.csv', skiprows=3, usecols=range(21), low_memory=False)
# Find the Trump and Harris columns
trump_col = "REP"
harris_col = "DEM"
# Convert to numeric
df[trump_col] = pd.to_numeric(df[trump_col], errors='coerce')
df[harris_col] = pd.to_numeric(df[harris_col], errors='coerce')
# Filter for early voting
early_voting = df[df['CountingGroup'] == 'Early Voting']
# Group by tabulator and calculate percentages
tabulator_stats = early_voting.groupby('TabulatorNum').agg({
harris_col: 'sum',
trump_col: 'sum'
}).reset_index()
# Calculate total votes and percentages
tabulator_stats['total_votes'] = tabulator_stats[harris_col] + tabulator_stats[trump_col]
tabulator_stats['harris_pct'] = tabulator_stats[harris_col] / tabulator_stats['total_votes'] \* 100
tabulator_stats['trump_pct'] = tabulator_stats[trump_col] / tabulator_stats['total_votes'] \* 100
# Create subplots
fig, (ax1, ax2) = plt.subplots(2, 1, figsize=(10, 8))
# Plot Harris histogram
ax1.hist(tabulator_stats['harris_pct'], bins=50, edgecolor='black', color='blue', alpha=0.7)
ax1.set_title('Distribution of Harris Votes by Tabulator (Early Voting Only)')
ax1.set_xlabel('Percentage of Votes for Harris')
ax1.set_ylabel('Number of Tabulators')
# Plot Trump histogram
ax2.hist(tabulator_stats['trump_pct'], bins=50, edgecolor='black', color='red', alpha=0.7)
ax2.set_title('Distribution of Trump Votes by Tabulator (Early Voting Only)')
ax2.set_xlabel('Percentage of Votes for Trump')
ax2.set_ylabel('Number of Tabulators')
plt.tight_layout()
plt.show()
This produces a figure identical (up to histogram bucketing) to the one at the end of the linked article....but you’re missing the point of my comment, which is simply to acknowledge and honor (my late dear friend) Peter.
These harms can be diffuse at massive scale, and acute at small scale.
One example of each: (1) https://www.science.org/doi/abs/10.1126/science.aax2342 One of USA’s largest health insurers builds ML system for patient triage. It optimizes for a proxy metric of health need (namely, cost) rather than health need itself; consequently it deprioritizes and systematically excludes millions of people from access to health care.
(2) https://en.wikipedia.org/wiki/Death_of_Elaine_Herzberg Autonomous Uber car builds their braking system on top of a vision model that optimizes for object classification accuracy using categories of {"pedestrian", "cyclist", "vehicle", "debris"}; consequently it fails to determine how to classify a woman walking a bicycle across the street, as a result killing her.
In both cases, optimizing for a naively sensible proxy metric of the thing that was truly desired turned out to be catastrophic.
https://www.nytimes.com/2021/06/04/opinion/ezra-klein-podcas...?
https://www.nytimes.com/2021/06/04/podcasts/transcript-ezra-...
Happy to take any questions, etc., if folks are interested! AMA.