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. 2021 Apr 30;129(4):047013. doi: 10.1289/EHP8495

Figure 1.

Figure 1A is a stacked bar graph plotting chemicals, ranging from 0 to 2000 in increments of 200 (y-axis) across log of dose of a substance that would be expected to kill half the animals in a test group, ranging from negative 2 to 5 in unit increments (x-axis) for training set and evaluation set. Figure 1B is a stacked bar graph plotting chemicals, ranging from 0 to 8000 in increments of 1000 (y-axis) across Environmental Protection Agency Distributed Structure-Searchable Toxicity and Public Cross Checked (x-axis) for training set and evaluation set.

Characteristics of training (Supplemental Material 1) and evaluation sets (Supplemental Material 2). (A) Distribution of LD50 values. (B) Sources of the chemical structures.