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#! /usr/bin/env python | |
import math | |
def wilson( total, correct): | |
z = 1.96 # can be changed to a suitable value you want. | |
p = float(correct) / total | |
center = (p + 1 / 2.0 / total * z * z) / (1 + 1.0 / total * z * z) | |
d = z * math.sqrt((p * (1 - p) + 1 / 4.0 / total * z * z) / total) / (1 + 1.0 / total * z * z) | |
t = (center, d) |
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import numpy as np | |
from scipy.sparse import csc_matrix | |
import random | |
def column(matrix, i): | |
return [row[i] for row in matrix] | |
def pageRank(G, s = 0.85, maxerr = .001): | |
""" | |
Computes the pagerank for each of the n states. |
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import numpy as np | |
from scipy.sparse import csc_matrix | |
def pageRank(G, s = .85, maxerr = .001): | |
""" | |
Computes the pagerank for each of the n states. | |
Used in webpage ranking and text summarization using unweighted | |
or weighted transitions respectively. |