initial commit

Author: mbostock

LICENSE

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+Copyright 2024 Observable, Inc.
+
+Permission to use, copy, modify, and/or distribute this software for any purpose
+with or without fee is hereby granted, provided that the above copyright notice
+and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
+REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
+INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
+OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF
+THIS SOFTWARE.

README.md

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+# Observable sample datasets
+
+<https://observablehq.com/@observablehq/sample-datasets>
+
+## aapl.csv
+Yahoo! Finance
+https://finance.yahoo.com/lookup
+
+## alphabet.csv
+*Cryptographical Mathematics* by Robert Edward Lewand
+http://cs.wellesley.edu/~fturbak/codman/letterfreq.html
+
+## cars.csv
+1983 ASA Data Exposition
+http://lib.stat.cmu.edu/datasets/
+
+## citywages.csv
+The New York Times
+https://www.nytimes.com/2019/12/02/upshot/wealth-poverty-divide-american-cities.html
+
+## diamonds.csv
+ggplot2 “diamonds” dataset
+https://github.com/tidyverse/ggplot2/blob/master/data-raw/diamonds.csv
+
+## flare.csv
+Flare visualization toolkit package hierarchy
+https://observablehq.com/@d3/treemap
+
+## industries.csv
+Bureau of Labor Statistics
+https://www.bls.gov/
+
+## miserables.json
+Character interactions in the chapters of “Les Miserables”, Donald Knuth, Stanford Graph Base
+https://www-cs-faculty.stanford.edu/~knuth/sgb.html
+
+## olympians.csv
+Matt Riggott/IOC
+https://www.flother.is/2017/olympic-games-data/
+
+## penguins.csv
+Dr. Kristen Gorman
+https://github.com/allisonhorst/palmerpenguins
+
+## pizza.csv
+Pizza Paradise, Observable
+https://observablehq.com/@observablehq/pizza-paradise-data
+
+## weather.csv
+NOAA/Vega
+https://www.ncdc.noaa.gov/cdo-web/datatools/records
+https://github.com/vega/vega-datasets/blob/master/scripts/weather.py

data/aapl.csv

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+letter,frequency
+E,0.12702
+T,0.09056
+A,0.08167
+O,0.07507
+I,0.06966
+N,0.06749
+S,0.06327
+H,0.06094
+R,0.05987
+D,0.04253
+L,0.04025
+C,0.02782
+U,0.02758
+M,0.02406
+W,0.0236
+F,0.02288
+G,0.02015
+Y,0.01974
+P,0.01929
+B,0.01492
+V,0.00978
+K,0.00772
+J,0.00153
+X,0.0015
+Q,0.00095
+Z,0.00074