Fig. 7From: Understanding big data themes from scientific biomedical literature through topic modelingDistribution of topics over documents (i.e., \(\theta\), y-axis). The documents are sorted on topic-to-document relevance within each topic. The x-axis represents the order of the sorted documents. Each line represents one topic, in black. Exceptions are topics 1 and 2, plotted in red, and topic 3 and 5, plotted in blue Back to article page