Hi,
Try this:
dat1<-read.table(text="
?Name????????????????????? Age
?Angel??????????????????????? 20
?Amelia????????????????????? 20
?Bernard????????????????? 19
?Stephanie????????????? 20
?Vanessa????????????????? 22
?Angeline????????????????? 23
?Camel????????????????????? 21
?",sep="",header=TRUE)
?dat2<-dat1[grepl("[A].*",dat1$Name),]
?dat2
????? Name Age
1??? Angel? 20
2?? Amelia? 20
6 Angeline? 23
rownames(dat2)<-1:nrow(dat2)
#Now you might be okay to plot.
?plot()
A.K.
----- Original Message -----
From: imnew <jubileee at live.com.sg>
To: r-help at r-project.org
Cc:
Sent: Thursday, July 12, 2012 4:15 AM
Subject: [R] plot graph by first letter
Hi all, may i know is it possible to plot a graph by first letter?
for example:
Name:? ? ? ? ? ? ? ? ? ? ? Age:
Angel? ? ? ? ? ? ? ? ? ? ? ? 20
Amelia? ? ? ? ? ? ? ? ? ? ? 20
Bernard? ? ? ? ? ? ? ? ? 19
Stephanie? ? ? ? ? ? ? 20
Vanessa? ? ? ? ? ? ? ? ? 22
Angeline? ? ? ? ? ? ? ? ? 23
Camel? ? ? ? ? ? ? ? ? ? ? 21
If I want to plot the name started with letter 'A' and their Angel, how is
it possible to plot it?
Thanks.
--
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