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Peter Norvig
GitHub
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@ -17,9 +17,9 @@
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"source": [
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"import urllib.request\n",
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"import re\n",
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"import collections \n",
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"from collections import namedtuple, defaultdict\n",
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"\n",
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"Row = collections.namedtuple('Row', 'state delta jan17app jan17dis jan17err app dis err')\n",
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"Row = namedtuple('Row', 'state delta jan17app jan17dis jan17err app dis err')\n",
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"\n",
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"def read_data(url='https://morningconsult.com/tracking-trump/'):\n",
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" \"Fetch data from the website and return a list of `Row` objects.\"\n",
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@ -35,16 +35,16 @@
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"\n",
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"def net(row): \"Approval minus disapproval.\"; return row.app - row.dis \n",
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"\n",
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"votes = dict(AL=9, AK=3, AZ=11, AR=6, CA=55, CO=9, CT=7, DE=3, DC=3, FL=29, GA=16, HI=4, ID=4,\n",
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" IL=20, IN=11, IA=6, KS=6, KY=8, LA=8, ME=4, MD=10, MA=11, MI=16, MN=10, MS=6, MO=10, \n",
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" MT=3, NE=5, NV=6, NH=4, NJ=14, NM=5, NY=29, NC=15, ND=3, OH=18, OK=7, OR=7, PA=20, \n",
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" RI=4, SC=9, SD=3, TN=11, TX=38, UT=6, VT=3, VA=13, WA=12, WV=5, WI=10, WY=3)\n",
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"\n",
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"rows = read_data()\n",
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"\n",
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"def EV(swing=0, rows=rows):\n",
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" \"How many electoral votes would Trump win today, given a swing.\"\n",
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" return sum(votes[row.state] for row in rows if net(row) + swing > 0)"
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" return sum(votes[row.state] for row in rows if net(row) + swing > 0)\n",
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"\n",
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"votes = dict(AL=9, AK=3, AZ=11, AR=6, CA=55, CO=9, CT=7, DE=3, DC=3, FL=29, GA=16, HI=4, ID=4,\n",
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" IL=20, IN=11, IA=6, KS=6, KY=8, LA=8, ME=4, MD=10, MA=11, MI=16, MN=10, MS=6, MO=10, \n",
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" MT=3, NE=5, NV=6, NH=4, NJ=14, NM=5, NY=29, NC=15, ND=3, OH=18, OK=7, OR=7, PA=20, \n",
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" RI=4, SC=9, SD=3, TN=11, TX=38, UT=6, VT=3, VA=13, WA=12, WV=5, WI=10, WY=3)"
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]
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},
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{
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@ -73,7 +73,7 @@
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"source": [
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"What that says is that if an election were held today, January 23, 2019, and if Trump won those states in which he has a net positive approval (i.e. more approval than disapproval), **he would get 164 electoral votes** (that's 9 worse than McCain in 2008). You need **270** to win.\n",
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"\n",
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"But things can change. The election is a long ways away, and we don't know who's running. In the table below, I list the number of electoral votes Trump would get assuming he gets an increase of net approval of 0 to 9 percentage points across the board in every state. We see he would need a **7** percent upswing in order to win."
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"But things can change. The election is a long ways away, and we don't know who's running, and we don't know if there is systematic bias in the polling data. In the table below, I list the number of electoral votes Trump would get assuming he gets an increase of net approval of 0 to 9 percentage points across the board in every state. We see he would need a **7** percent upswing in order to win."
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]
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},
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{
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@ -104,6 +104,84 @@
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"source": [
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"{m: EV(m) for m in range(10)}"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"Here are the states sorted by current net approval:"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 4,
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"metadata": {},
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"outputs": [
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{
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"data": {
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"text/plain": [
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"[(-62, 'DC', 3),\n",
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" (-31, 'VT', 3),\n",
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" (-29, 'CA', 55),\n",
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" (-29, 'MA', 11),\n",
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" (-28, 'HI', 4),\n",
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" (-28, 'MD', 10),\n",
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" (-23, 'NY', 29),\n",
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" (-23, 'WA', 12),\n",
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" (-22, 'OR', 7),\n",
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" (-21, 'IL', 20),\n",
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" (-20, 'CT', 7),\n",
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" (-19, 'NM', 5),\n",
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" (-19, 'RI', 4),\n",
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" (-18, 'NJ', 14),\n",
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" (-16, 'CO', 9),\n",
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" (-16, 'DE', 3),\n",
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" (-14, 'MN', 10),\n",
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" (-12, 'MI', 16),\n",
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" (-12, 'WI', 10),\n",
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" (-11, 'NV', 6),\n",
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" (-10, 'IA', 6),\n",
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" (-8, 'AZ', 11),\n",
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" (-8, 'NH', 4),\n",
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" (-6, 'ME', 4),\n",
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" (-6, 'PA', 20),\n",
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" (-3, 'FL', 29),\n",
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" (-3, 'GA', 16),\n",
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" (-3, 'NC', 15),\n",
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" (-3, 'OH', 18),\n",
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" (-3, 'VA', 13),\n",
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" (2, 'KS', 6),\n",
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" (3, 'MO', 10),\n",
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" (3, 'UT', 6),\n",
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" (4, 'AK', 3),\n",
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" (4, 'MT', 3),\n",
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" (4, 'TX', 38),\n",
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" (8, 'IN', 11),\n",
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" (8, 'NE', 5),\n",
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" (9, 'ND', 3),\n",
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" (9, 'SC', 9),\n",
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" (11, 'AR', 6),\n",
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" (11, 'ID', 4),\n",
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" (13, 'LA', 8),\n",
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" (13, 'OK', 7),\n",
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" (15, 'KY', 8),\n",
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" (15, 'SD', 3),\n",
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" (16, 'TN', 11),\n",
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" (17, 'MS', 6),\n",
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" (21, 'AL', 9),\n",
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" (26, 'WV', 5),\n",
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" (32, 'WY', 3)]"
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]
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},
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"execution_count": 4,
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"metadata": {},
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"output_type": "execute_result"
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}
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],
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"source": [
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"sorted((net(row), row.state, votes[row.state]) \n",
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" for row in rows)"
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]
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}
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],
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"metadata": {
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