josh-howes

"""
https://jupyter.readthedocs.io/en/latest/architecture/how_jupyter_ipython_work.html
http://www.tornadoweb.org/en/stable/
https://jupyter-notebook.readthedocs.io/en/stable/extending/handlers.html
"""
from IPython import get_ipython
from IPython.core.magic import register_cell_magic
from tornado import ioloop
from functools import partial

josh-howes

"""Mining Frequent Patterns without Candidate Generation.

Naive implementation of the data structures in the following paper <http://hanj.cs.illinois.edu/pdf/sigmod00.pdf>
"""

class HeaderTable(dict):
    """Header Table.
    
    To facilitate tree traversal, an item header table is built in which each item points to its 
    occurrence in the tree via a head of node-link. Nodes with the same item-name are linked in 

josh-howes

from abc import ABCMeta, abstractmethod
import types
import time
from functools import wraps


def with_timing(f):
    @wraps(f)
    def wrapper(*args, **kwds):
        time_start = time.time()