xiaoxiaocaoddl / data_mine

Apriori and fp-growth implement of python

data_mine

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introduce

In this repository implemente 6 class of Association rule data mining algorithm

1.Apriori (apriori.py)

apriori algorithm

2.Apriori_compress(apriori_compress.py)

transaction compression processing for apriori algorithm

3.Apriori_hash(apriori_hash.py)

hash method for apriori algorithm

4.Apriori_plus(apriori_plus.py)

transaction compress + dataset compress+hash + apriori

5.Fp_growth(fp_growth.py)

fp-growth algorithm

6.Fp_growth_plus(fp_growth_plus.py)

dataset compress + fp_growth

• running progress

• the result of association rule data mining

how to use

• download the repository

git clone https://github.com/blackAndrechen/data_mine

• into this folder

cd data_mine

• write your own code,take apriori algorithm for example

from apriori import *

data=[[l1,l2,l3,l4],
	  [l1,l3,l5],
	  [l1,l3,l4]]
min_support=2
min_confident=0.6

apr=Apriori()
rule_list=apr.generate_R(data,min_support,min_confident)

tips

• if you want use others algorithm,the use method is same,for example

from fp_growth import *
fp=Fp_growth()
rule_list=fp.generate_R(data,min_support,min_confident)

• in my code ,i use groceries.csvand药方.xlsdata file,you can try running it

filename="groceries.csv"
min_support=25
min_conf=0.7

# filename="药方.xls"
# min_support=600
# min_conf=0.9
import os
current_path=os.getcwd()
path=current_path+"/dataset/"+filename
#path='/home/czpchen/文档/github/data_mine/dataset/groceries.csv'

data=load_data(path)
apr=Apriori()
rule_list=apr.generate_R(data,min_support,min_conf)

• if you want use youself dataset,suggest you rewrite a function to read youself dataset,And make sure your data set looks like this.

data=[[l1,l2,l3,l4],
	  [l1,l3,l5],
	  [l1,l3,l4]]

• if you want save the result of Association rule data

save_path=save_path=current_path+"/log/"+filename.split(".")[0]+"_apriori.txt"
#save_path='/home/czpchen/文档/github/data_mine/log/groceries_apriori.txt'

save_rule(rule_list,save_path)

Performance analysis

simple analyse of my dataset

Reference

数据挖掘 第三版