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combine two string vector by grouping according to the first vector.
combine_names(x, y, sep = ".")
a vector to combine with y. The combination is grouped by this parameter.
a vector to combine with x.
a string with the separator characters.
a vector with the combination of x and y.
# NOT RUN { x = c("A", "B", "C") y = c("1", "2", "3") combine_names(x, y) # }
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