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 distribtion
2%
5%
10%
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
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)
movie
film
good
character
story
bad
films
life
time
plot
characters
love
scenes
dont
action
great
scene
movies
hes
people
big
high
funny
comedy
show
things
john
back
man
thing
Top-30 Most Salient Terms
(1)
0
2,000
4,000
6,000
8,000