The frequency distribution of reported THC concentrations of legal cannabis flower products increases discontinuously around the 20 THC threshold in Nevada and Washington state

摘要

Frequency of reported THC content in flower products around the 20% threshold in Nevada and Washington. This figure consists of two plots showing histograms of the frequency of reported THC, with bins to the left of the 20% threshold shaded red and bins to the right of the 20% threshold shaded blue. The top plot (panel a) shows data from all labs in Nevada, and the bottom (panel b) shows all labs in Washington. Both states show a spike in the frequency of products just above the 20% threshold, though the increase is larger in Nevada. Plots are left-truncated at 10% for presentational purposes. Histogram bins were generated via the DCdensity function