[R] Need data labels to jitter with datapoints in boxplot

MacQueen, Don macqueen1 at llnl.gov
Fri Sep 18 17:01:34 CEST 2015


How about jittering outside the plot?

That is, insert
  df$jNum <- jitter(df$Number)
somewhere before the plot commands, then use jNum in your plots instead of
Number.

-Don

-- 
Don MacQueen

Lawrence Livermore National Laboratory
7000 East Ave., L-627
Livermore, CA 94550
925-423-1062





On 9/17/15, 8:20 AM, "R-help on behalf of smheas"
<r-help-bounces at r-project.org on behalf of sheasley at aegonusa.com> wrote:

>Hello, I have created a boxplot with the data points overlayed on top
>using
>the below code. I am happy with the way the datapoints are jittered,
>however
>I cannot figure out how to get the labels to jitter along with the
>datapoints. The labels remain in the center and are unreadable. I have
>tried
>a lot of different ways to get them to jitter but can't seem to make it
>work. I have also tried making the label font smaller, but they still
>overlap too much. Note I cannot use the method of assigning the lcoation
>of
>each label - there are too many and this graph will be updated frequently
>with new data. I greatly appreciate your help. Thanks.
>
>After reading in data...
>
>#load packages
>library(ggplot2)
>#change letter to factor
>df$Letter<-as.factor(df$Letter)
>#create boxplot
>plot<-qplot(Letter,Number,data=df,geom=c("boxplot","jitter"),fill=Letter)
>#Add formatting
>plot<-plot + geom_text(aes(label=Identifier),size=3)
>ggsave(filename="Spreads Plot.pdf",plot=plot,width=11,height=8,units="in")
>
>Result:
><http://r.789695.n4.nabble.com/file/n4712380/PostPic.png>
>
>Sample Data:
>Identifier	Letter	Number
>AB	AA-	46.74
>BC	A	59.62
>CD	A	61.63
>DE	A	69.49
>EF	A+	69.73
>FG	A+	74.57
>GH	A	75.01
>HI	A	77.52
>IJ	A	77.52
>JK	A	80.12
>KL	A	80.14
>LM	A-	80.35
>MN	A	81.98
>NO	A-	82.72
>OP	A+	83.56
>PQ	A	85.29
>QR	A-	85.46
>RS	A-	85.92
>ST	A	86.11
>TU	A-	86.55
>UV	A	86.57
>VW	A	88.32
>WX	A	89.4
>XY	A-	96.81
>YZ	A+	97.6
>BA	A-	101.86
>CB	A	102.37
>DC	A	104.29
>ED	A	104.92
>FE	A	106.29
>GF	A-	111.84
>HG	A+	121.91
>IH	A-	123.64
>
>
>
>
>--
>View this message in context:
>http://r.789695.n4.nabble.com/Need-data-labels-to-jitter-with-datapoints-i
>n-boxplot-tp4712380.html
>Sent from the R help mailing list archive at Nabble.com.
>
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