guangningyu

guangningyu

#!/usr/bin/env python
# -*- coding: utf-8 -*-

import urllib2
import copy
from random import seed
from random import randrange
from math import sqrt

'''

guangningyu

#!/usr/bin/env python
# -*- coding: utf-8 -*-

import urllib2
import numpy as np


def load_simple_data():
    features = ([
         [1. , 2.1]

guangningyu

guangningyu

#!/usr/bin/env python
# -*- coding: utf-8 -*-

import urllib2
from numpy import mat, eye, nonzero, mean, var, shape, inf, sum, power, ones, linalg, \
        corrcoef, zeros

def createDataSet(url):
    '''
    创建数据集，最后一列为目标变量

guangningyu

#!/usr/bin/env python
# -*- coding: utf-8 -*-

import nltk

def generate_model(cfd, word, num=15):
    '''
    给定条件概率分布和一个随机的词，生成一段文字
    '''
    for i in range(num):

guangningyu

function ssh_tunnel() {
    host="[email protected]"    
    for port in "$@"; do
        echo "> listen to port ${port}..."
        # kill existing tunnel
        lsof -i:"${port}" \
          | awk '$0~/^ssh/{print $2}' \
          | sort -u \
          | xargs kill
        # establish new tunnel

guangningyu

#!/usr/bin/env python
# -*- coding: utf-8 -*-

import urllib2
from numpy import mat, ones, shape, exp, array, arange
import matplotlib.pyplot as plt

def createDataSet():
    features = []
    labels = []

guangningyu

#!/usr/bin/env python

import re
from numpy import ones, log

def createDataSet():
    docs = [
        ['my', 'dog', 'has', 'flea', 'problem', 'help', 'please'],
        ['maybe', 'not', 'take', 'him', 'to', 'dog', 'park', 'stupid'],
        ['my', 'dalmation', 'is', 'so', 'cute', 'I', 'love', 'him'],

guangningyu

#!/usr/bin/env python

from math import log
import operator
import urllib2

def createDataSet():
    '''
    prepare data: the last column is the label
    dataSet is like: