
机器学习算法
Lincolnfather
这个作者很懒,什么都没留下…
展开
-
Python 实现Apriori算法
import os import types import sys sys.setrecursionlimit(1000000) ''' author liuzhenhua date 20131113 the apriori algorithm for python ''' original = {} mp = {} def loaddata(dgree):原创 2013-11-13 11:51:25 · 1636 阅读 · 0 评论 -
Python 实现K-means算法
# coding=utf-8 import os import sys from pylab import * import random import types cny = {} def genRandom(): f = rand(3,2) print "random number:",f return f def loaddata():原创 2013-11-14 14:39:28 · 1102 阅读 · 0 评论 -
python 分别用梯度下降法和最小二乘法求线性回归
#coding=utf-8 import math import matplotlib.pyplot as plt import numpy as np ''' author date 2013-12-20 description 分别用最小二乘法和梯度下降法求线性回归 ''' ''' 梯度下降法 ''' def grediant(xset,y原创 2013-12-23 10:15:05 · 3005 阅读 · 0 评论