= 9 Using Ecosim. Part 2: Ecosim outputs = Once you have set up your Ecosim scenario(s) using the Ecosim input forms, you can test your model’s predictions using Ecosim. This chapter describes the forms used to run Ecosim ([[Run ecosim.htm|Run Ecosim]], [[Ecosim plot.htm|Ecosim plots]], [[Ecosim results.htm|Ecosim results]] and [[Stock recruitment S R plot.htm|Stock-Recruitment plot]][[Monte Carlo runs.htm#_Monte_Carlo_runs|]]), as well as important Ecosim tools: [[Monte Carlo runs.htm|Monte Carlo runs]],[[Fishing policy search.htm| Fishing policy search]] and [[Fit to time series.htm|Fit to time series]]. An Ecosim exercise to help you test your model is also included. Before using Ecosim, we recommend you read the introductory material on Ecosim, found in Chapter 3 of the User Guide). You should also be familiar with the published literature on Ecosim, particularly Walters et al. 1997 and Walters et al. 2004).