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def asset_discussion_score(threads, k=1, theta=2):
    X = np.array([max_thread_width(t) * max_thread_depth(t) for t in threads])
    n = len(X)

    k = np.sum(X) + k
    t = theta/(theta*n + 1)

    return {'discussion_score': gamma_poission_model(X, n, k, theta, 0.05)}

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def gamma_poission_model(X, n, k, theta, quantile):
    k = np.sum(X) + k
    t = theta/(theta*n + 1)
    return stats.gamma.ppf(quantile, k, scale=t)

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def beta_binomial_model(y, n, alpha, beta, quantile):
    alpha_ = y + alpha
    beta_ = n - y + beta
    return stats.beta.ppf(quantile, alpha_, beta_)

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def asset_diversity_score(threads, alpha=2, beta=2):
    X = set()
    n = 0
    for t in threads:
        users, n_comments = unique_participants(t)
        X = X | users
        n += n_comments
    y = len(X)

    return {'diversity_score': beta_binomial_model(y, n, alpha, beta, 0.05)}

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# To redirect all users to access the site WITHOUT the 'www.' prefix,
# (http://www.example.com/... will be redirected to http://example.com/...)
# Make sure to replace example.com with your own site name
RewriteCond %{HTTP_HOST} ^www\.example\.com$ [NC]
RewriteRule ^(.*)$ http://example.com/$1 [L,R=301]

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# To redirect all users to access the site WITH the 'www.' prefix,
# (http://example.com/... will be redirected to http://www.example.com/...)
# Make sure to replace example.com with your own site name
RewriteCond %{HTTP_HOST} ^example\.com$ [NC]
RewriteRule ^(.*)$ http://www.example.com/$1 [L,R=301]

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RewriteEngine on

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# Thanks to http://stackoverflow.com/questions/9884353/xls-to-csv-convertor
import os, csv, xlrd

excel_file = '/path/to/file.xls'
#we're specifying a directory here because we'll have several files
#be sure to include end slash
csv_filepath = 'path/to/csv/directory/'

def csv_from_excel(excel_file):
    workbook = xlrd.open_workbook(excel_file)

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from sys import argv
import datetime, os, logging
from django.core.management.base import BaseCommand, CommandError

class Command(BaseCommand):

    def handle(self, *args, **options):
        self.print_date()

    def print_date(self):

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