Sorry if I wasn't clear but the result I am looking for is as follows
#?? Season?????? Obs
#1? Summer 0.2141001
#5? Summer 0.2141001
#9? Summer 0.2141001
#13 Summer 0.2141001
#3??? Fall 0.6722337
#7??? Fall 0.6722337
#11?? Fall 0.6722337
#15?? Fall 0.6722337
#2? Winter 0.9318599
#6? Winter 0.9318599
#10 Winter 0.9318599
#14 Winter 0.9318599
#4? Spring 0.1927715
#8? Spring 0.1927715
#12 Spring 0.1927715
#16 Spring 0.1927715
The process you describe does not get me there
Any other recommendations?
-----Original Message-----
From: arun [mailto:smartpink111 at yahoo.com]
Sent: Thursday, October 11, 2012 10:33 AM
To: ROLL Josh F
Cc: R help
Subject: Re: [R] Sorting a data frame by specifying a vector
Hi,
In your dataset, it seems like it is already ordered in the way you wanted to.
df.. <- data.frame(Season=rep(c("Summer","Fall","Winter","Spring"),4),Obs=
runif(length(rep(c("Summer","Fall","Winter","Spring"),4))))
#Suppose the order you want is:
?vec2<-c("Summer","Winter","Fall","Spring")
df1<-df..[match(df..$Season,vec2),]
?row.names(df1)<-1:nrow(df1)
?df1
#?? Season?????? Obs
#1? Summer 0.2141001
#2? Winter 0.9318599
#3??? Fall 0.6722337
#4? Spring 0.1927715
#5? Summer 0.2141001
#6? Winter 0.9318599
#7??? Fall 0.6722337
#8? Spring 0.1927715
#9? Summer 0.2141001
#10 Winter 0.9318599
#11?? Fall 0.6722337
#12 Spring 0.1927715
#13 Summer 0.2141001
#14 Winter 0.9318599
#15?? Fall 0.6722337
#16 Spring 0.1927715
A.K.
----- Original Message -----
From: LCOG1 <jroll at lcog.org>
To: r-help at r-project.org
Cc:
Sent: Thursday, October 11, 2012 1:08 PM
Subject: [R] Sorting a data frame by specifying a vector
Hello all,
? I cannot seem to figure out this seemingly simple procedure.?
I want to sort a data frame by a specified character vector.
So for :
df.. <- data.frame(Season=rep(c("Summer","Fall","Winter","Spring"),4),Obs=
runif(length(rep(c("Summer","Fall","Winter","Spring"),4))))
I want to sort the data frame by the seasons but in the order I specify since alphapetically would not put the season in sequential order
I tried the following and a few other things but no dice.? It looks like I will have to convert to factors.? Any thoughts?? Thanks
df.. <-
df..[sort(as.factor(Df..$Season,levels=c("Summer","Fall","Winter","Spring"))),]
Josh
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