{ "cells": [ { "cell_type": "markdown", "metadata": {}, "source": [ "# Examples and Exercises from Think Stats, 2nd Edition\n", "\n", "http://thinkstats2.com\n", "\n", "Copyright 2016 Allen B. Downey\n", "\n", "MIT License: https://opensource.org/licenses/MIT\n" ] }, { "cell_type": "code", "execution_count": 8, "metadata": {}, "outputs": [], "source": [ "from __future__ import print_function, division\n", "\n", "%matplotlib inline\n", "\n", "import numpy as np\n", "\n", "import brfss\n", "\n", "import thinkstats2\n", "import thinkplot" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "I'll start with the data from the BRFSS again." ] }, { "cell_type": "code", "execution_count": 9, "metadata": {}, "outputs": [ { "data": { "text/html": [ "
\n", " | age | \n", "sex | \n", "wtyrago | \n", "finalwt | \n", "wtkg2 | \n", "htm3 | \n", "
---|---|---|---|---|---|---|
0 | \n", "82.0 | \n", "2 | \n", "76.363636 | \n", "185.870345 | \n", "70.91 | \n", "157.0 | \n", "
1 | \n", "65.0 | \n", "2 | \n", "72.727273 | \n", "126.603027 | \n", "72.73 | \n", "163.0 | \n", "
2 | \n", "48.0 | \n", "2 | \n", "NaN | \n", "181.063210 | \n", "NaN | \n", "165.0 | \n", "
3 | \n", "61.0 | \n", "1 | \n", "73.636364 | \n", "517.926275 | \n", "73.64 | \n", "170.0 | \n", "
4 | \n", "26.0 | \n", "1 | \n", "88.636364 | \n", "1252.624630 | \n", "88.64 | \n", "185.0 | \n", "
5 | \n", "42.0 | \n", "1 | \n", "118.181818 | \n", "415.161314 | \n", "109.09 | \n", "183.0 | \n", "
6 | \n", "40.0 | \n", "2 | \n", "50.000000 | \n", "422.810541 | \n", "50.00 | \n", "157.0 | \n", "
7 | \n", "24.0 | \n", "2 | \n", "131.818182 | \n", "1280.585980 | \n", "122.73 | \n", "178.0 | \n", "
8 | \n", "37.0 | \n", "1 | \n", "87.727273 | \n", "1245.060440 | \n", "90.00 | \n", "178.0 | \n", "
9 | \n", "65.0 | \n", "1 | \n", "77.272727 | \n", "382.738158 | \n", "77.27 | \n", "173.0 | \n", "
10 | \n", "28.0 | \n", "1 | \n", "52.272727 | \n", "3131.561570 | \n", "63.64 | \n", "170.0 | \n", "
11 | \n", "68.0 | \n", "2 | \n", "86.363636 | \n", "506.412109 | \n", "78.18 | \n", "168.0 | \n", "
12 | \n", "40.0 | \n", "2 | \n", "62.727273 | \n", "422.810541 | \n", "62.73 | \n", "175.0 | \n", "
13 | \n", "49.0 | \n", "1 | \n", "127.272727 | \n", "274.170333 | \n", "127.27 | \n", "183.0 | \n", "
14 | \n", "24.0 | \n", "2 | \n", "95.454545 | \n", "2561.171960 | \n", "95.45 | \n", "175.0 | \n", "
15 | \n", "49.0 | \n", "2 | \n", "88.636364 | \n", "181.063210 | \n", "88.64 | \n", "157.0 | \n", "
16 | \n", "36.0 | \n", "2 | \n", "113.636364 | \n", "211.405271 | \n", "90.91 | \n", "168.0 | \n", "
17 | \n", "48.0 | \n", "2 | \n", "NaN | \n", "181.063210 | \n", "50.00 | \n", "155.0 | \n", "
18 | \n", "65.0 | \n", "2 | \n", "100.000000 | \n", "253.206055 | \n", "100.00 | \n", "160.0 | \n", "
19 | \n", "75.0 | \n", "2 | \n", "72.727273 | \n", "185.870345 | \n", "72.73 | \n", "165.0 | \n", "
20 | \n", "67.0 | \n", "1 | \n", "76.363636 | \n", "382.738158 | \n", "76.36 | \n", "157.0 | \n", "
21 | \n", "27.0 | \n", "2 | \n", "63.636364 | \n", "330.717253 | \n", "63.64 | \n", "155.0 | \n", "
22 | \n", "55.0 | \n", "2 | \n", "54.545455 | \n", "153.403814 | \n", "55.45 | \n", "165.0 | \n", "
23 | \n", "78.0 | \n", "1 | \n", "79.545455 | \n", "438.143347 | \n", "78.18 | \n", "183.0 | \n", "
24 | \n", "30.0 | \n", "2 | \n", "NaN | \n", "661.434505 | \n", "90.91 | \n", "160.0 | \n", "
25 | \n", "48.0 | \n", "2 | \n", "61.818182 | \n", "271.502466 | \n", "71.82 | \n", "157.0 | \n", "
26 | \n", "65.0 | \n", "1 | \n", "77.272727 | \n", "382.738158 | \n", "77.27 | \n", "173.0 | \n", "
27 | \n", "42.0 | \n", "2 | \n", "52.272727 | \n", "422.810541 | \n", "62.73 | \n", "157.0 | \n", "
28 | \n", "70.0 | \n", "2 | \n", "59.090909 | \n", "126.603027 | \n", "59.09 | \n", "157.0 | \n", "
29 | \n", "80.0 | \n", "2 | \n", "65.909091 | \n", "185.870345 | \n", "65.91 | \n", "165.0 | \n", "
... | \n", "... | \n", "... | \n", "... | \n", "... | \n", "... | \n", "... | \n", "
414479 | \n", "52.0 | \n", "2 | \n", "68.181818 | \n", "18.649614 | \n", "70.45 | \n", "160.0 | \n", "
414480 | \n", "62.0 | \n", "1 | \n", "89.090909 | \n", "7.709065 | \n", "89.09 | \n", "178.0 | \n", "
414481 | \n", "50.0 | \n", "1 | \n", "79.545455 | \n", "13.339183 | \n", "76.36 | \n", "178.0 | \n", "
414482 | \n", "61.0 | \n", "2 | \n", "51.363636 | \n", "10.347511 | \n", "51.36 | \n", "157.0 | \n", "
414483 | \n", "65.0 | \n", "2 | \n", "77.272727 | \n", "13.561141 | \n", "68.18 | \n", "160.0 | \n", "
414484 | \n", "39.0 | \n", "2 | \n", "81.818182 | \n", "15.225492 | \n", "87.27 | \n", "170.0 | \n", "
414485 | \n", "27.0 | \n", "2 | \n", "68.181818 | \n", "37.495182 | \n", "77.27 | \n", "157.0 | \n", "
414486 | \n", "NaN | \n", "2 | \n", "61.363636 | \n", "5.594069 | \n", "61.36 | \n", "168.0 | \n", "
414487 | \n", "55.0 | \n", "2 | \n", "NaN | \n", "12.395319 | \n", "NaN | \n", "157.0 | \n", "
414488 | \n", "70.0 | \n", "1 | \n", "100.000000 | \n", "14.994430 | \n", "102.27 | \n", "175.0 | \n", "
414489 | \n", "23.0 | \n", "2 | \n", "92.727273 | \n", "22.632437 | \n", "86.36 | \n", "163.0 | \n", "
414490 | \n", "54.0 | \n", "1 | \n", "71.818182 | \n", "30.926341 | \n", "71.82 | \n", "170.0 | \n", "
414491 | \n", "27.0 | \n", "2 | \n", "NaN | \n", "28.121387 | \n", "NaN | \n", "160.0 | \n", "
414492 | \n", "65.0 | \n", "2 | \n", "70.454545 | \n", "6.780570 | \n", "70.45 | \n", "157.0 | \n", "
414493 | \n", "50.0 | \n", "2 | \n", "56.818182 | \n", "22.376276 | \n", "56.82 | \n", "170.0 | \n", "
414494 | \n", "49.0 | \n", "2 | \n", "90.909091 | \n", "12.433076 | \n", "68.18 | \n", "152.0 | \n", "
414495 | \n", "61.0 | \n", "2 | \n", "68.181818 | \n", "12.395319 | \n", "72.73 | \n", "165.0 | \n", "
414496 | \n", "37.0 | \n", "2 | \n", "61.363636 | \n", "15.225492 | \n", "56.82 | \n", "157.0 | \n", "
414497 | \n", "66.0 | \n", "2 | \n", "70.909091 | \n", "13.561141 | \n", "65.91 | \n", "163.0 | \n", "
414498 | \n", "34.0 | \n", "1 | \n", "77.272727 | \n", "46.875400 | \n", "75.00 | \n", "173.0 | \n", "
414499 | \n", "38.0 | \n", "2 | \n", "118.181818 | \n", "15.225492 | \n", "129.55 | \n", "173.0 | \n", "
414500 | \n", "43.0 | \n", "2 | \n", "66.363636 | \n", "7.612746 | \n", "75.00 | \n", "168.0 | \n", "
414501 | \n", "41.0 | \n", "1 | \n", "86.363636 | \n", "25.989792 | \n", "86.36 | \n", "175.0 | \n", "
414502 | \n", "68.0 | \n", "2 | \n", "NaN | \n", "13.561141 | \n", "NaN | \n", "165.0 | \n", "
414503 | \n", "40.0 | \n", "1 | \n", "78.181818 | \n", "106.771882 | \n", "78.18 | \n", "168.0 | \n", "
414504 | \n", "23.0 | \n", "1 | \n", "84.090909 | \n", "43.439320 | \n", "88.64 | \n", "191.0 | \n", "
414505 | \n", "49.0 | \n", "2 | \n", "70.454545 | \n", "6.216538 | \n", "72.73 | \n", "170.0 | \n", "
414506 | \n", "45.0 | \n", "1 | \n", "86.363636 | \n", "20.617560 | \n", "90.91 | \n", "178.0 | \n", "
414507 | \n", "52.0 | \n", "2 | \n", "89.090909 | \n", "11.188138 | \n", "89.09 | \n", "157.0 | \n", "
414508 | \n", "38.0 | \n", "1 | \n", "75.000000 | \n", "25.989792 | \n", "75.00 | \n", "178.0 | \n", "
414509 rows × 6 columns
\n", "