alexoliveira

from trees.models import Tree, Post, Member
from datetime import datetime, timedelta
def percentRetained():
    '''Iterate over periods of 2 weeks, filter out all users who didn't add a post during that 2-weeks-period.
    Start with particular group of two weeks, see who used it for that 2-week period.
    For every period of two weeks, filter out people who are not'''

    today = datetime.today()
    experiment_duration = 7 * 4 * 3
    retained_members = None

alexoliveira

choices = float(10**8)
p = 1
for i in range (1000):
    p = p * (choices - i) / choices

alexoliveira

// Use Gists to store code you would like to remember later on
console.log(window); // log the "window" object to the console

alexoliveira

# from http://nbviewer.jupyter.org/github/ipython/ipython/blob/master/examples/IPython%20Kernel/Importing%20Notebooks.ipynb

import io, os, sys, types
import nbformat

from IPython import get_ipython
from IPython.core.interactiveshell import InteractiveShell


def find_notebook(fullname, path=None):