Selected Topic:
Previous Topic
Next Topic
Clear Topic
Slide to adjust relevance metric:
(2)
0.0
0.2
0.4
0.6
0.8
1.0
λ =
1
PC1
PC2
Marginal topic distribution
2%
5%
10%
1
2
3
4
5
6
7
Intertopic Distance Map (via multidimensional scaling)
Overall term frequency
Estimated term frequency within the selected topic
1. saliency(term w) = frequency(w) * [sum_t p(t | w) * log(p(t | w)/p(t))] for topics t; see Chuang et. al (2012)
2. relevance(term w | topic t) = λ * p(w | t) + (1 - λ) * p(w | t)/p(w); see Sievert & Shirley (2014)
night
go
s
year
find
be
crime
try
decide
friend
follow
discover
group
cop
fall
local
movie
want
plan
small
house
prison
police
city
live
dead
back
change
gang
relationship
Top-30 Most Salient Terms
(1)
0
100
200
300
400
500
600
700
800