Hypothesis Testing

Credits: Forked from CompStats by Allen Downey. License: Creative Commons Attribution 4.0 International.

from __future__ import print_function, division

import numpy
import scipy.stats

import matplotlib.pyplot as pyplot

from IPython.html.widgets import interact, fixed
from IPython.html import widgets

import first

# seed the random number generator so we all get the same results
numpy.random.seed(19)

# some nicer colors from http://colorbrewer2.org/
COLOR1 = '#7fc97f'
COLOR2 = '#beaed4'
COLOR3 = '#fdc086'
COLOR4 = '#ffff99'
COLOR5 = '#386cb0'

%matplotlib inline

Part One

As an example, let's look at differences between groups. The example I use in Think Stats is first babies compared with others. The first module provides code to read the data into three pandas Dataframes.

live, firsts, others = first.MakeFrames()