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#!/usr/bin/env python
# -*- coding:utf-8 -*-
'''
正準相関分析
cca.py
'''

import numpy as np
import scipy as sp
from scipy import linalg as LA

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# http://docs.scipy.org/doc/scipy/reference/generated/scipy.spatial.distance.pdist.html
from scipy.spatial.distance import squareform, pdist

def test_distance():
    X = [[2,3,4],[0,0,0],[1,1,1],[2,2,2]]
    print pdist(X, 'euclidean')
    print squareform(pdist(X, 'euclidean'))
    print squareform(pdist(X, polynomial_kernel))    

test_distance()

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# -*- coding:utf-8 -*-

from pymongo import MongoClient

client = MongoClient()
db = client.xvideos

def create_db():
    f = open('xvideos.com-db.csv')
    for line in f:

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('blowjob', 'hardcore') 594241
('blowjob', 'brunette') 336485
('blowjob', 'teen') 334746
('amateur', 'teen') 322670
('brunette', 'hardcore') 320892
('hardcore', 'teen') 302974
('blonde', 'brunette') 282348
('blonde', 'blowjob') 272567
('blowjob', 'oral') 269461
('blonde', 'hardcore') 252474

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import random

def sort_test():
    a = [random.random() for i in range(100)]
    b = [random.random() for i in range(100)]
    c = dict(zip(a, b))
    sorted(c, key=c.get)

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Amateur
Anal
Anime
Asian Woman
Ass
Ass to Mouths
BDSM
Big Ass
Big Cock
Big Tits

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Visulalize authors relationships based upon not-hiragana-kanji rubis on Aozorabunko.

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#!/usr/bin/env python
# -*- coding:utf-8 -*-
'''
まとめサイトなどURLに含まれるYouTubeをプレイリストに保存する

    $ python youtube_gdata_playlist.py http://...

'''
# 以下要設定
# cf. YouTubeクライアント

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#!/usr/bin/env python
# -*- coding:utf-8 -*-
'''
try some parameters.

$ python params_test.py
[0, -1]
False
[0, 0]
False

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#!/usr/bin/env python
# -*- coding:utf-8 -*-
# Viterbi algorithm
# http://en.wikipedia.org/wiki/Viterbi_algorithm
#
# > python viterbi.py
#            0       1       2
# Rainy:  0.06000 0.03840 0.01344
# Sunny:  0.24000 0.04320 0.00259
# (0.01344, ['Sunny', 'Rainy', 'Rainy'])