r - Plot histograms as lines -


i want plot several histograms of time data (1 week long) on same plot lines.

i have time data:

> dput(head(ts)) structure(c(1364421605.227, 1364375025.034, 1364376298.393, 1364375002.928,  1364393158.084, 1364423268.856), class = c("posixct", "posixt"))

and want plot histogram. hist(ts,breaks=7*24) works fine, uses h plot type obscure other histogram plots want add (i know can use transparent colors - rainbow alpha=0.5, want see lines).

i tried

> hist(ts, breaks = 7*24, type="l") warning messages: 1: in title(main = main, sub = sub, xlab = xlab, ylab = ylab, ...) :   graphical parameter "type" obsolete calls: hist -> hist.posixt -> myplot -> plot -> plot.histogram -> title 2: in axis(2, ...) : graphical parameter "type" obsolete calls: hist -> hist.posixt -> myplot -> axis 3: in axis(side, @ = z, labels = labels, ...) :   graphical parameter "type" obsolete calls: hist -> hist.posixt -> myplot -> axis.posixct -> axis

why hist passing type title?

i can create histogram object , plot separately:

> h <- hist(ts, breaks=7*24, plot=false) > plot(x=h$mids, y=h$density, type="l")

but x axis labeled numbers (e.d., "1364421605") not dates (e.g., "mar 25").

i guess supposed use axis, rather not handle myself - after all, hist constructs axis want!

thanks!

the following looks weird because gave 6 data points in dput. can plot line plot without x-axis , add afterwards so:

h <- hist(ts, breaks=7*24, plot=false) plot(x=h$mids, y=h$density, type="l", xaxt="n") axis(1,at=ts,labels=format(ts,"%b-%d"))

enter image description here


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