Exemplo n.º 1
0
def get_ap(s):
    '''This is a function to get average precision'''
    a = 0.0
    b = 0.0
    for i in range(len(s)):
        if s[i] > 0:
            a += p.get_p(s, i + 1)
            b += 1
    #print "Line: %s, ap is %f with a = %f, b = %f"%(s, a/b, a, b)
    if b == 0:
        b = 1
    return a / b
Exemplo n.º 2
0
def get_ap(s):
    '''This is a function to get average precision'''
    a = 0.0
    b = 0.0
    for i in range(len(s)):
        if s[i]>0:
            a += p.get_p(s, i+1)
            b += 1
    #print "Line: %s, ap is %f with a = %f, b = %f"%(s, a/b, a, b)
    if b == 0:
        b = 1
    return a/b
Exemplo n.º 3
0
qCount = 0
count1 = 1
count3 = 1
count10 = 1
while 1:
    line = f.readline()
    if not line:
        break;
    arrays = re.split(r" ",line)
    #print arrays
    s = [float(i) for i in arrays]
    #print s
    qCount += 1
    apTtl += ap.get_ap(s)
    for tmp_k in k:
        if len(line)<(4*tmp_k-1):
            continue;
        if tmp_k ==1:
            ttl1 += ndcg.get_ndcg(s, tmp_k)
            p1 += p.get_p(s,tmp_k)
            count1 = count1 + 1
        if tmp_k ==3:
            ttl3 += ndcg.get_ndcg(s, tmp_k)
            p3 += p.get_p(s,tmp_k)
            count3 = count3 + 1
        if tmp_k ==10:
            ttl10 += ndcg.get_ndcg(s, tmp_k)
            p10 += p.get_p(s,tmp_k)
            count10 = count10 + 1
print "NDCG@1: %f, NDCG@3: %f, NDCG@10: %f, MAP: %f"%(ttl1/count1,ttl3/count3,ttl10/count10, apTtl/qCount)
Exemplo n.º 4
0
count1 = 1
count3 = 1
count10 = 1
while 1:
    line = f.readline()
    if not line:
        break
    arrays = re.split(r" ", line)
    #print arrays
    s = [float(i) for i in arrays]
    #print s
    qCount += 1
    apTtl += ap.get_ap(s)
    for tmp_k in k:
        if len(line) < (4 * tmp_k - 1):
            continue
        if tmp_k == 1:
            ttl1 += ndcg.get_ndcg(s, tmp_k)
            p1 += p.get_p(s, tmp_k)
            count1 = count1 + 1
        if tmp_k == 3:
            ttl3 += ndcg.get_ndcg(s, tmp_k)
            p3 += p.get_p(s, tmp_k)
            count3 = count3 + 1
        if tmp_k == 10:
            ttl10 += ndcg.get_ndcg(s, tmp_k)
            p10 += p.get_p(s, tmp_k)
            count10 = count10 + 1
print "NDCG@1: %f, NDCG@3: %f, NDCG@10: %f, MAP: %f" % (
    ttl1 / count1, ttl3 / count3, ttl10 / count10, apTtl / qCount)