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Slide to adjust relevance metric:
(2)
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λ =
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Marginal topic distribtion
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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)
si
koronawirus
koronawirusa
<u+00bf>e
polsce
przypadek
koronawirusem
osoba
s1
polski
ju<u+00bf>
szpital
nowy
zdrowie
marzec
minister
liczba
pacjent
kolejny
potwierdzić
pierwszy
kraj
mo<u+00bf>e
decyzja
premiera
powód
bedzie
stan
2020
wp
Top-30 Most Salient Terms
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