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rhsape2 bug?

5 messages · David Arnold, Ista Zahn, arun +1 more

David Arnold
# 
All,

I believe I am running the latest version of rshape2 (1.2.1). But this code:

library(reshape2)

tmp <- melt(smiths,
     id.vars=1:2,
     measure.vars=c("age","weight","height"),
     variable.name="myvars",
     value.name="myvals"
)

names(tmp)

Produces this output:
[1] "subject"  "time"     "variable" "value" 

So you can see that these lines of code don't work:

     variable.name="myvars",
     value.name="myvals"

Is this a bug?

David



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Ista Zahn
# 
Hi David,

Your example works as expected for me (see sessionInfo below). What
version of R are you using? What other packages are loaded?

R version 2.15.1 (2012-06-22)
Platform: x86_64-unknown-linux-gnu (64-bit)

locale:
 [1] LC_CTYPE=en_US.UTF-8       LC_NUMERIC=C
 [3] LC_TIME=en_US.UTF-8        LC_COLLATE=en_US.UTF-8
 [5] LC_MONETARY=en_US.UTF-8    LC_MESSAGES=en_US.UTF-8
 [7] LC_PAPER=C                 LC_NAME=C
 [9] LC_ADDRESS=C               LC_TELEPHONE=C
[11] LC_MEASUREMENT=en_US.UTF-8 LC_IDENTIFICATION=C

attached base packages:
[1] stats     graphics  grDevices utils     datasets  methods   base

other attached packages:
[1] reshape2_1.2.1

loaded via a namespace (and not attached):
[1] plyr_1.7.1   stringr_0.6  tools_2.15.1


Best,
Ista
On Sat, Jul 21, 2012 at 7:06 PM, darnold <dwarnold45 at suddenlink.net> wrote:
David Arnold
# 
Ista,

You are correct.
[1] ".GlobalEnv"        "package:reshape"   "package:plyr"     
 [4] "package:reshape2"  "tools:rstudio"     "package:stats"    
 [7] "package:graphics"  "package:grDevices" "package:utils"    
[10] "package:datasets"  "package:methods"   "Autoloads"        
[13] "package:base"

Thanks.

D.



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arun
# 
Hi,

It works for me too.? When I had reshape and reshape2 both loaded, I had the same problem.? 


?library(reshape2)
?tmp <- melt(smiths,
???? id.vars=1:2,
???? measure.vars=c("age","weight","height"),
???? variable.name="myvars",
???? value.name="myvals"
?)
?
?names(tmp)
[1] "subject" "time"??? "myvars"? "myvals" 


#Now with reshape loaded.
Loading required package: plyr

Attaching package: ?reshape?

The following object(s) are masked from ?package:plyr?:

??? rename, round_any

The following object(s) are masked from ?package:reshape2?:

??? colsplit, melt, recast


tmp <- melt(smiths,
????? id.vars=1:2,
????? measure.vars=c("age","weight","height"),
????? variable.name="myvars",
????? value.name="myvals"
? )
[1] "subject"? "time"???? "variable" "value"?? 


A.K.

----- Original Message -----
From: darnold <dwarnold45 at suddenlink.net>
To: r-help at r-project.org
Cc: 
Sent: Saturday, July 21, 2012 7:06 PM
Subject: [R] rhsape2 bug?

All,

I believe I am running the latest version of rshape2 (1.2.1). But this code:

library(reshape2)

tmp <- melt(smiths,
? ?  id.vars=1:2,
? ?  measure.vars=c("age","weight","height"),
? ?  variable.name="myvars",
? ?  value.name="myvals"
)

names(tmp)

Produces this output:
[1] "subject"? "time"? ?  "variable" "value" 

So you can see that these lines of code don't work:

? ?  variable.name="myvars",
? ?  value.name="myvals"

Is this a bug?

David



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John Kane
# 
Check and see if you have reshape loaded as well.  I had a somewhat similar problem (R2.13 ?) and realised that reshape was masking reshape2

John Kane
Kingston ON Canada
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