Use this command to give more score to the documents having higher frequency of the search words. Use with a number between 0 and 255. The default value is 25.
A word frequency is calculated separately for each section (e.g. title, body, etc), and is evaluated as the number of times the word appears in the section, devided by the total number of words in this section.
This command appeared in 3.3.0.
Using WordDensityFactor requires SaveSectionSize set to yes.