Suppose one word occurs 29 times in a 2000-word corpus (Corpus 1) and 34 times in a 2500-word corpus (Corpus 2). Here is the Log-likelihood calculator result:
Item O1 %1 O2 %2 LL
Word 29 1.45 34 1.36 + 0.06
Key:
O1 is observed frequency in Corpus 1
O2 is observed frequency in Corpus 2
%1 and %2 values show relative frequencies in the texts.
+ indicates overuse in O1 relative to O2
- indicates underuse in O1 relative to O2