r - Barplots with column names -

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i have dataset :

 dat<-read.table(text = "pl     freq              abid     23              berl     54              cara     54              daka     10",header=t)

i trying have histogram name of each columns (under columns (i.e. "pl" informations) , columns sorted in decreasing order... tried lot of ordering method, :

 barplot(dat$freq)

seems not way...

i have idea helpfull !

cheers,

r.

i beieve looking for:

barplot(dat$freq, names.arg = dat$pl)

and if want have barplot sorted according frequencies:

dat <- dat[order(dat$freq, decreasing = true), ]

thomas


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