Let's say I run an analysis in the selex package and then I want to change something and try again.  It looks like the program just adds onto any previously existing information instead of overwriting it.

For example, if I run selex.loadAnnotation and then do this again with a different annotation, I now have two in memory.  Or if I run selex.mm a few times, then selex.mmSummary() has all of them stored.

How do I clear what was done before to start afresh, short of restarting my R session?

Thanks.

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> sessionInfo()
R version 3.2.0 (2015-04-16)
Platform: x86_64-apple-darwin13.4.0 (64-bit)
Running under: OS X 10.9.4 (Mavericks)

locale:
[1] en_US.UTF-8/en_US.UTF-8/en_US.UTF-8/C/en_US.UTF-8/en_US.UTF-8

attached base packages:
[1] stats4    parallel  stats     graphics  grDevices utils     datasets  methods   base     

other attached packages:
[1] SELEX_1.0.0          Biostrings_2.36.1    XVector_0.8.0        IRanges_2.2.1        S4Vectors_0.6.0      BiocGenerics_0.14.0
[7] BiocInstaller_1.18.1 rJava_0.9-6         

loaded via a namespace (and not attached):
[1] zlibbioc_1.14.0 tools_3.2.0    
>