demo_utility.md

Usage of utility

Import all functions in utility

from utility import *

Initialization

Step 1: Specify a input data stored in csv file

fn = "GermanCredit_Age35.csv"

Step 2: Specify the target attribute to rank on

• If specify target attribute as col(fn)-1, it will generate a score for each user by summing all attributes with equally weight to rank on. col(fn) is the number of attributes in the input data.
• Target attribute can be value from [0,col(fn)-1] while col(fn)-1 represents using weighted summation score as target attribute

target_att = 1 

Step 3: Specify which value of sentitive attribute represents the protected group

sensi_att = 1

Test transform source data function

transformed_data, scores, pro_data, unpro_data, pro_index= transformCSVdata(fn, target_att, sensi_att)
print "Read into:"
print "User Female"
print len(transformed_data), len(pro_data)

Finished reading csv!
Read into:
User Female
1000 548