Your privacy, your choice

We use essential cookies to make sure the site can function. We also use optional cookies for advertising, personalisation of content, usage analysis, and social media.

By accepting optional cookies, you consent to the processing of your personal data - including transfers to third parties. Some third parties are outside of the European Economic Area, with varying standards of data protection.

See our privacy policy for more information on the use of your personal data.

for further information and to change your choices.
Skip to main content

Table 1 Parameter interpretation in LDA model

From: Consumer health information needs in China – a case study of depression based on a Social Q&A community

α

Dirichlet proportions parameter of ϴ

β

Dirichlet proportions parameter of φ

Wd,n

The nth word in document d

Zd,n

The nth topic in document d

N

Number of words included in the document d

K

The number of topics

φk

Represents the kth topic - word distribution

ϴm

Represents the mth document - topic distribution

Back to article page

BMC Medical Informatics and Decision Making

ISSN: 1472-6947

Contact us