コード例 #1
0
ファイル: Experiment.py プロジェクト: MissTan/OFS_python
from numpy import *
from pandas import read_csv
import matplotlib.pyplot as plt
from scipy.sparse import bsr_matrix
from preProcess import preProcess
from loadSparseData import loadSparseData
from PA import PA

fname1 = 'pu1'
fname2 = 'pu2'
fname3 = 'pu3'
fname4 = 'pua'
X1, Y1 = loadSparseData(fname1)
X2, Y2 = loadSparseData(fname2)
X3, Y3 = loadSparseData(fname3)
X4, Y4 = loadSparseData(fname4)

print 'preProcess X'
X1 = preProcess(X1)
X2 = preProcess(X2)
X3 = preProcess(X3)
X4 = preProcess(X4)

print 'start COML'

def update_CM(i, X, Y, w, u):
    x_t = X[i]
    f_t = dot(w, x_t)
    loss_w = max(0, 1 - Y[i] * f_t)
    if loss_w == 0:
        tau = 0
コード例 #2
0
                idx = ID_list[j][i]
                if Y_list[j][idx] * (alf * ft_list[j] +
                                     beta * fut_list[j]) < 0:
                    errcount_list[j] += 1
                misrate_list[j].append(errcount_list[j] / float(count_list[j]))

    return misrate_list, w_list, u


# load data
fname1 = 'tfidf_pu1'
fname2 = 'tfidf_pu2'
fname3 = 'tfidf_pu3'
fname4 = 'tfidf_pua'
sampleNum = -1
X1, Y1 = loadSparseData(fname1, sampleNum)
X2, Y2 = loadSparseData(fname2, sampleNum)
X3, Y3 = loadSparseData(fname3, sampleNum)
X4, Y4 = loadSparseData(fname4, sampleNum)

# preProcess data
print 'preProcess X'
X1 = mmPreProcess(X1)
X2 = mmPreProcess(X2)
X3 = mmPreProcess(X3)
X4 = mmPreProcess(X4)

# X1 = stdPreProcess(X1)
# X2 = stdPreProcess(X2)
# X3 = stdPreProcess(X3)
# X4 = stdPreProcess(X4)
コード例 #3
0
ファイル: COML&PA.py プロジェクト: MissTan/OFS_python
            if i < len_list[j]:
                idx = ID_list[j][i]
                if  Y_list[j][idx] * (alf * ft_list[j] + beta * fut_list[j]) < 0:
                    errcount_list[j] +=1
                misrate_list[j].append(errcount_list[j]/float(count_list[j]))

    return misrate_list, w_list, u


# load data
fname1 = 'tfidf_pu1'
fname2 = 'tfidf_pu2'
fname3 = 'tfidf_pu3'
fname4 = 'tfidf_pua'
sampleNum = -1
X1, Y1 = loadSparseData(fname1, sampleNum)
X2, Y2 = loadSparseData(fname2, sampleNum)
X3, Y3 = loadSparseData(fname3, sampleNum)
X4, Y4 = loadSparseData(fname4, sampleNum)

# preProcess data
print 'preProcess X'
X1 = mmPreProcess(X1)
X2 = mmPreProcess(X2)
X3 = mmPreProcess(X3)
X4 = mmPreProcess(X4)

# X1 = stdPreProcess(X1)
# X2 = stdPreProcess(X2)
# X3 = stdPreProcess(X3)
# X4 = stdPreProcess(X4)