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monitoR contains:

1. A full-featured spectrogram viewer
   • Browse spectrograms in an R graphics device
   • Annotate sounds of interest
2. Functions to create, modify, save, and use templates for automated detection
   • Methods for selecting points (binary point matching)
   • Binary Template Examples
   • Methods for selecting points (spectrogram cross correlation)
   • Spectrogram Cross-correlation Examples
   • Plotting templates
   • Writing/reading templates
   • Comparing template performance
3. Two automated template matching algorithms
   • View, verify, and extract results
   • Write and read templates and detections locally
4. Functions to evaluate the automated detection process
   • Comparing manual annotations to automated detection

New to R?

R is free, open-source, and can be used on most operating systems. R comes with a core set of packages that allow it to be a useful statistical language and programming platform, plus there are thousands of user-contributed packages that extend the capability of the platform.

Read more and download it at https://cran.r-project.org/.