Precision vs. NDCG
Posted by tom, under Uncategorized on August 24th, 2011
Here at Zemanta, we use different metrics and benchmarks to continuously improve the article recommendations for our users. Up until now, the main metric used to evaluate the accuracy of our recommendations was the precision metric. Precision works by summing the manually assigned relevance (0 – 3) of the top 10 articles as determined by our recommendation [...]
