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lavrenz
2012 Aug 20
2
Unable to reference variable created in dataframe
Hello, I have question about referencing a variable that I created in a
dataframe, and I am hoping the experts on here can be of assistance. I have
a dataset of highway bridges with approximately 10,000 observations. I
imported these into R in the form of a dataframe called "Bridges".
I am interested in running some basic linear models on a few key variables
with the data. Say
2012 Apr 18
2
Displaying data in Trellis
This is a question relating to the Trellis function in R. I have a set of
socioeconomic data that I would like to display with the xyplot() function
for several states. I will have a total of 6 plots, with the y-variable as
"Age Group", and the x-variable as "Median Income".
Suitability of the plots aside (this cannot be changed), I need to plot the
points of one of the states