recall = {}
coverage = {}
popularity = {}
N = 10
for str, result in {
"user_CF": result_user,
"item_CF": result_item,
"LFM": result_LFM
}.items():
precision.setdefault(str, 0)
recall.setdefault(str, 0)
coverage.setdefault(str, 0)
popularity.setdefault(str, 0)
precision[str] += Evaluation.Precision(train, test, result, N)
recall[str] += Evaluation.Recall(train, test, result, N)
coverage[str] += Evaluation.Coverage(train, test, result, N)
popularity[str] += Evaluation.Popularity(train, test, result, N)
numFlod = 1
for str in ["user_CF", "item_CF", "LFM"]:
precision[str] /= numFlod
recall[str] /= numFlod
coverage[str] /= numFlod
popularity[str] /= numFlod
# 输出结果
for str in ["user_CF", "item_CF", "LFM"]:
print('%s precision = %f' % (str, precision[str]))
print('%s recall = %f' % (str, recall[str]))
print('%s coverage = %f' % (str, coverage[str]))
print('%s popularity = %f' % (str, popularity[str]))
print("***************************************************")
