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DCG 4

What is NDCG & DCG?
In information retrieval, NDCG is often used to measure effectiveness of search engine algorithms and related applications. Using a graded relevance scale of documents in a search-engine result set, DCG measures the usefulness, or gain, of a document based on its position in the result list.
What is dcg412p1 20 volt Max lithium ion grinder?
Read Return Policy The DCG412P1 20-Volt MAX Lithium-Ion Grinder Tool Kit increases productivity with features like Quick-Change wheel release, convenient trigger switch with lock-off button, and extended run-time battery. This grinder features 8000 RPM no load speed. Includes 5.0 Ahr battery, charger and tool bag.
Is the dcg412b compatible with the DeWalt 20V battery line-up?
A: No, the DCG412B is only compatible with the DEWALT 20V battery line-up. Helpful? Great Tool for the Home or Business! I purchased this Dewalt Grinder to assist with sharpening my riding mower blades. I have a lot of Dewalt cordless equipment so I wanted to make good use of the batteries I have already.
What is ideal DCG metric?
The DCG of this ideal ordering, or IDCG (Ideal DCG) , is computed to rank 6: Normalized DCG metric does not penalize for bad documents in the result. For example, if a query returns two results with scores 1,1,1 and 1,1,1,0 respectively, both would be considered equally good even if the latter contains a bad document.

What is NDCG & DCG?