r - parcoord, only one line accross all groups -

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i have data frame, both vectors have same elements in different orders:

df <- data.frame(g1=c("b","a","e","d","c"), g2=c("c","d","e","b","a"))

and compare them, using g1 reference. terms re-ordered accordingly in g2

df$g1.num <- 1:length(df$g1) df$g2.num <-  match(df$g2,df$g1)

when plot parcoord, see how positions of elements in g1 change when in g2 

  df <- subset(df,select = c(g1.num, g2.num))     parcoord(df, col = rainbow(nrow(df)))

since have large data set, many elements, plot looks confusing. therefore. 1 plot per elements. for example: element "b" only, changing position 1 position 4.

you can 

apply(df, 1, plot, type="l")

this loop through rows, , plot. if you're in interactive session, they'll loop through quite quickly. if surround apply file(pdf="lines.pdf") , dev.off() you'll capture lines on different pages.


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