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# Bighorn Sheep Risk of Contact Tool
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The Risk of Contact Tool (RoCT) is an **R**-based implementation of
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the Risk of Contact model described in O'Brien et al. (2014). It uses
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a variety of spatial inputs (including telemetry point data, a core
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herd home range (CHHR) polygon, a habitat raster model, and a set of
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active domestic sheep allotments) together with estimates of bighorn
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sheep foray behavior to estimate the probability and rate of contact
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between bighorn sheep and allotments or other areas occupied by
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domestic sheep or goats.
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The RoCT aims to provide an intuitive browser-based interface to those
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interested in applying the Risk of Contact model to their own
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data. The User Guide and its appendices describe in detail the Tool's
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data requirements, usage, and outputs.
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<!--- Commented out
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# Introductory video
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-->
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## Download and installation instructions
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Use the links below to download the current release of the Risk of
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Contact Tool's Windows installer, its associated documentation, and
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the sample data used in the User Guide. The User Guide Appendices
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include instructions on how to use the installer to install the Tool
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on your computer.
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- **[Current Stable Release](/uploads/0032269edf50ed97b2144ec26126e97f/RoCT-GUI-v15-R-3.6.3-win.exe)**
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- **[User Guide](/uploads/201f3bbdf27f1c36ef642939052dbbb9/Risk_of_Contact_Tool_User_Guide.pdf)**
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- **[User Guide Appendices](/uploads/20de5dc8dc6d3d0827650d43c5b0a5f3/Appendices_to_Risk_of_Contact_Tool_User_Guide.pdf)**
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- **[Sample Data](/uploads/61361c75c12ecc7aeb762161c50ab441/Sample_Data.zip)**
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For previous version of the Tool and to see a list of changes
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incorporated in the current version, visit the [Releases page](/../releases).
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## References
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- O'Brien, J. M., O'Brien, C. S., McCarthy, C., & Carpenter, T. E., 2014. Incorporating foray behavior into models estimating contact risk between bighorn sheep and areas occupied by domestic sheep, Wildlife Society Bulletin, 38(2), 321-331. [http://dx.doi.org/10.1002/wsb.387](http://dx.doi.org/10.1002/wsb.387) |
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