def simple():
from util import reader
r = reader.stringSepReader("u.data", "\t")
from util import split
train, test1 = split.split(r.getR(), 1234567890)
from recommender import nonpersonalized
c = nonpersonalized.randomRec(r.getR(), 3284092)
from util import test
test.auc(test1, c.getRec, r)
def knn():
from util import reader
r = reader.stringSepReader("u.data", "\t")
from util import split
train, test1 = split.splitMatrix(r.getMatrix(), 1234567890)
from recommender import knn
k = knn.userKnn(train, 10)
from util import test
print test.hitrate(test1, k.getRec, 10)
import cPickle
output = open("knn.npz", "wb")
cPickle.dump(k, output, -1)
output.close()
