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
8
9
10
11
12
13
14
15
16
17
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)
government
police
project
provincial
country
service
officer
support
people
woman
province
work
community
development
student
school
issue
covid
court
case
health
business
public
member
company
election
training
national
year
land
Top-30 Most Salient Terms
(1)
0
10,000
20,000
30,000
40,000
50,000
60,000
70,000