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. Author manuscript; available in PMC: 2012 Apr 1.
Published in final edited form as: Addiction. 2010 Dec 23;106(4):749–758. doi: 10.1111/j.1360-0443.2010.03254.x

Figure 2.

Figure 2

Frequency distributions of the parameters including Rd when sampling γ from uniform distributions with mean 0.28. The overall shape of the distribution remains same for the cases when mean of γ-distribution was 0.50 and 0.83. Distributions were calculated from one of the 10 Monte-Carlo samples, each of size 105 sampled parameter values using approach described in the text. Horizontal axis has parameter values, and vertical axis represents frequencies in the graphs.