ash_usage_example.py

# -*- coding: utf-8 -*-
"""
Created on Fri Jul 24 13:09:50 2015

@author: bcolsen
"""

import matplotlib.pyplot as plt
import pandas as pd
import numpy as np
import scipy.stats as stats

from ash import ash

plt.rcParams['svg.fonttype'] = 'none'

# %% Make Fake data and store it in excell.
# Don't do this if you have real data

number_of_points = 50

mu, sigma = 6.35, 0.13
data_fake_a = mu + sigma*np.random.randn(number_of_points)

mu2, sigma2 = 6.5, 0.10
data_fake_b = mu2 + sigma2*np.random.randn(number_of_points)

df_fake = pd.DataFrame({'fake_a':data_fake_a, 'fake_b':data_fake_b})
df_fake.to_excel('fake_data.xlsx')


# %% Import tha data and assign a and b

filename = 'fake_data.xlsx' #Change this

df = pd.read_excel('fake_data.xlsx')

a = df['fake_a']
b = df['fake_b']

label_a = "Fake A"
label_b = "Fake B"

xlabel = 'Fakeness (%)'

fig = plt.figure(num = 'ASH Plot', figsize = (4,4))
fig.clf()


ash_obj_a = ash(a)
ash_obj_b = ash(b)

ax = plt.subplot()

#plot ASH as a line
ax.plot(ash_obj_b.ash_mesh,ash_obj_b.ash_den,lw=2, color = '#D95319')
ax.plot(ash_obj_a.ash_mesh,ash_obj_a.ash_den,lw=2, color = '#365994')


#plot the solid ASH
ash_obj_b.plot_ash_infill(ax, color ='#F2966E')
ash_obj_a.plot_ash_infill(ax, color='#92B2E7')


# #plot KDE
# ax.plot(ash_obj_a.kde_mesh,ash_obj_a.kde_den,lw=1, color ='#365994')
# ax.plot(ash_obj_b.kde_mesh,ash_obj_b.kde_den,lw=1, color = '#D95319')

# Make a Rugplot (the barcode like data representation)
ash_obj_a.plot_rug(ax, alpha=1, color = '#4C72B0', ms = 8, height = 0.10)
ash_obj_b.plot_rug(ax, alpha=1, color ='#F2966E', ms = 8, height = 0.04)

if ash_obj_a.mean <= ash_obj_b.mean:
    ash_obj_a.plot_stats(ax, label_a, color = '#365994')
    ash_obj_b.plot_stats(ax, label_b, side='right', color ='#D95319')
else:
    ash_obj_a.plot_stats(ax, label_a, side='right', color = '#365994')
    ash_obj_b.plot_stats(ax, label_b, color ='#D95319')


ax.yaxis.set_ticks_position('left')
ax.xaxis.set_ticks_position('bottom')
ax.tick_params(direction='out')

ax.set_yticks([])
ax.set_xlabel(xlabel)
ax.set_xlim(5.8,7)
plt.tight_layout()
plt.subplots_adjust(top=0.95)
fig.text(0.46, 0.96, label_a, size=12, color='#365994', ha='right')
fig.text(0.5, 0.96, 'vs.', size=12, ha='center')
fig.text(0.54, 0.96, label_b, size=12, color='#D95319', ha='left')

fig.savefig(label_a + '_vs_' + label_b + '.svg', dpi=300, transparent=True)


plt.show()