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This function is useful for use before plotting, if one wants capitalized axis labels or factor levels.
capstring(names)
a character vector
a character vector with upper case initial values
# NOT RUN { capstring(names(tinting)[c(3,4)]) library(lattice) levels(tinting$agegp) <- capstring(levels(tinting$agegp)) xyplot(csoa ~ it | sex * agegp, data=tinting) # }
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