[R] Need help using lattice

Parkhurst, David F.
Sun, 07 Feb 2021 19:01:48 -0000

I have a dataframe comprising a vector of E. coli concentrations, a vector of
months when the samples were taken, and a vector of sampled sites.  I?d like to
produce a lattice with sites along the horizontal axis, and months on the
vertical.  Each site-month box would then contain concentrations ranging along
its x axis.



I think this would use dotchart (or possibly stripchart) in the lattice.  I?ve
been reading the lattice and xyplot documents and I?m overwhelmed.  I?d
appreciate help in how to write the call.



David


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