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POHow to display the frequency at the top of each factor in a barplot in R
 

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  1. POHow to display the frequency at the top of each factor in a barplot in R
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    <blockquote> <p><strong>Possible Duplicate:</strong><br> <a href="https://stackoverflow.com/questions/4217207/add-text-to-horizontal-barplot-in-r-y-axis-at-different-scale">add text to horizontal barplot in R, y-axis at different scale?</a><br> <a href="https://stackoverflow.com/questions/9815226/annotate-values-above-bars-ggplot-faceted">Annotate values above bars (ggplot faceted)</a> </p> </blockquote> <p>Using the code below, I'm hoping to display a number above each column that corresponds to the y-value for that column. In other words, I'm trying to get "QnWeight_initial" to display 593 at the top of the gray bar and so and...</p> <p>My data:</p> <pre><code>data&lt;-structure(list(V1 = structure(c(2L, 1L), .Label = c("593", "QnWeight_initial" ), class = "factor"), V2 = structure(c(2L, 1L), .Label = c("566", "Head"), class = "factor"), V3 = structure(c(2L, 1L), .Label = c("535", "V1"), class = "factor"), V4 = structure(c(2L, 1L), .Label = c("535", "V2"), class = "factor"), V5 = structure(c(2L, 1L), .Label = c("535", "V3"), class = "factor"), V6 = structure(c(2L, 1L), .Label = c("482", "Left_Leg"), class = "factor"), V7 = structure(c(2L, 1L), .Label = c("474", "Left_Antenna"), class = "factor"), V8 = structure(c(2L, 1L), .Label = c("237", "Qn_Weight_Loss"), class = "factor"), V9 = structure(c(2L, 1L ), .Label = c("230", "Days_wrkr_eclosion"), class = "factor"), V10 = structure(c(2L, 1L), .Label = c("81", "Growth_all"), class = "factor"), V11 = structure(c(2L, 1L), .Label = c("79", "Growth_1_2"), class = "factor"), V12 = structure(c(2L, 1L), .Label = c("62", "Growth_1_3"), class = "factor"), V13 = structure(c(2L, 1L), .Label = c("60", "Growth_2_3"), class = "factor"), V14 = structure(c(2L, 1L), .Label = c("51", "Right_Antenna" ), class = "factor"), V15 = structure(c(2L, 1L), .Label = c("49", "Left_Leg_Remeasure"), class = "factor"), V16 = structure(c(2L, 1L), .Label = c("49", "Right_Leg"), class = "factor"), V17 = structure(c(2L, 1L), .Label = c("47", "Head_Remeasure"), class = "factor"), V18 = structure(c(2L, 1L), .Label = c("46", "Left_Antenna_Remeasure" ), class = "factor")), .Names = c("V1", "V2", "V3", "V4", "V5", "V6", "V7", "V8", "V9", "V10", "V11", "V12", "V13", "V14", "V15", "V16", "V17", "V18"), class = "data.frame", row.names = c(NA, -2L)) dat&lt;-data.frame(fac=unlist(data[1,, drop=FALSE]), freqs=unlist(data[2,, drop=FALSE])) </code></pre> <p>The plot:</p> <pre><code>barplot( as.numeric( as.character(dat$freqs)) , main="Sample Sizes of Various Fitness Traits", xaxt='n', xlab='', width=0.85, ylab="Frequency") par(mar=c(5,8,4,2)) labels&lt;-unlist(data[1,,drop=FALSE]) text(1:18, par("usr")[3] -0.25, srt=90, adj=1,labels=labels,xpd=TRUE, cex=0.6) </code></pre>
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    1. COSurely this question has been asked before on SO. This one's close: http://stackoverflow.com/questions/4217207/add-text-to-horizontal-barplot-in-r-y-axis-at-different-scale
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      1. POHow to display the frequency at the top of each factor in a barplot in R
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    2. COSo, I looked at both of these, and I'm still having some difficulty. I tried with no success a few varieties like: text(x=as.character(dat$fac), y=as.numeric(as.character(dat$freqs)), labels=as.numeric(as.character(dat$freqs)), pos=3)
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    3. CONothing is showing up at all. Does one instantiation of text() interfere with another?
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