Figure 3.

Distribution of the link frequency in Infertility Dataset. Here, in (a), the x-axis represents the 17,910 symptom-herb patterns, ordered by descending symptom-herb frequency. The y-axis refers to the symptom-herb frequency. In (b), the x-axis represents the 6,085 syndrome-herb patterns, ordered by descending syndrome-herb frequency. The y-axis refers to the syndrome-herb frequency. In (c), the x-axis represents the 7,897 symptom-syndrome patterns, ordered by descending symptom-syndrome frequency. The y-axis refers to the symptom-syndrome frequency.