: I've been using the solr admin form with debug=true to do some in-depth : analysis on some results. Could someone explain how to make sense of : this..This is the debugging info for the first result i got.
there's more to the debugging info then just what's below ... this is known as a "score explanation" understanding it requires a pretty in depth understanding of the lucene scoring model, which has somme good documentation online... http://lucene.apache.org/java/docs/scoring.html ...once you read up on the concepts that go into the scoring formula, making sense of the score explanations is just a matter of paying careful attention to the indenting, and doing the math (6.2467875 = the maximum value of the values indented one level below it, plus 0.01 times the sum of the other values one indent level below it; etc...) there's a few slides that cover the "nutshell" of score explanations towards the end of my apachecon slides... http://people.apache.org/~hossman/apachecon2007us/ : 10.201284 = (MATCH) sum of: : 6.2467875 = (MATCH) max plus 0.01 times others of: : 6.236769 = (MATCH) weight(text:"(probat trust live inherit) : testament"^0.8 in 48784), product of: : 0.7070911 = queryWeight(text:"(probat trust live inherit) : testament"^0.8), product of: : 0.8 = boost : 18.032305 = idf(text:"(probat trust live inherit) testament"^0.8) : 0.049015578 = queryNorm : 8.820319 = (MATCH) fieldWeight(text:"(probat trust live inherit) : testament"^0.8 in 48784), product of: : 2.236068 = tf(phraseFreq=5.0) : 18.032305 = idf(text:"(probat trust live inherit) : ..... -Hoss