https://orcid.org/0000-0002-5330-6885
Figures & data
Table 1. Results of the systematic literature review.
Figure 1. Research design.
Note. The terms “validated” and “non-validated” text corpus, DFM, and topic model reflect that they were constructed using the validated or non-validated search term. They do not refer to post-hoc validation procedures, like the validation of results from unsupervised procedures such as topic modeling approaches.
Figure 2. Comparing issue attention to climate change.
Figure 3. Comparing features with the largest difference in relative frequencies.
Figure 4. Comparing the most prevalent topics.
Figure 5. Comparing topical prevalence for the ten topics with the most similar matches.
Figure 6. Comparing temporal development of topic pairs (highest and lowest cosine similarities).
