#!/usr/bin/env python
# coding: utf-8

# In[2]:


# %load ../../preconfig.py
get_ipython().run_line_magic('matplotlib', 'inline')
import matplotlib.pyplot as plt
import seaborn as sns
plt.rcParams['axes.grid'] = False

#import numpy as np
#import pandas as pd
#import itertools

import logging
logger = logging.getLogger()


# 1 Introduction
# ========

# #### Example 1: Email Spam
# predict whether an email is junk email, or "spam".
# 
# classificaton problem.
# 
# #### Example 2: Prostate Cancer
# predict the log of PSA from a number of measurements.
# 
# regression problem.
# 
# #### Example 3: Handwritten Digit Recognition
# 
# classification problem
# 
# #### Example 4: DNA Expression Microarrays
# cluster clues.
# 
# unsupervised learning problem.