Hi,
May be this helps:
xyz<-function(x,y){
z<-x+y
print(paste("the sum of", deparse(substitute(x)), "and",
deparse(substitute(y)),"is", sep=" "))
z
}
xyz(a,b)
[1] "the sum of a and b is"
[,1] [,2] [,3] [,4] [,5]
[1,] -1.38805146 -1.15706888 -1.09420046 1.64717323 0.27514289
[2,] 0.22261237 -0.73175081 1.68966845 0.22596732 -1.17044669
[3,] 0.22500501 -0.75974026 0.90409054 -1.45650109 1.67901527
[4,] -1.48843138 -1.94294190 -2.16271187 0.63399385 -1.57638747
[5,] -1.82516894 -3.99381921 0.60723679 1.29199176 2.48361508
[6,] 1.17253015 1.06681277 -0.92285478 0.17471185 -2.15750294
[7,] -0.07154138 -0.66920922 1.05733601 -0.66156409 -1.40881929
[8,] 0.10070360 -0.92133842 -1.13318982 -0.55892454 1.03856347
[9,] -0.28225914 -1.24651183 2.64215721 -2.95011897 -0.88959061
[10,] -0.71393462 -1.80015777 -0.07966670 0.86487927 -0.02940905
[11,] -0.22453213 -0.78472943 -0.41515830 0.09789192 -0.47531826
[12,] -1.30255845 -0.40284910 -1.60752283 1.47922017 1.93232550
[13,] 1.18939368 -1.15079413 0.93800266 1.98916709 -0.10855782
[14,] -2.94616816 -1.95470339 0.51466407 -1.54365972 0.21532896
[15,] -1.18251544 0.60247030 -0.27653274 -1.29190483 2.16970664
[16,] -0.25704995 0.03947102 -0.07675004 -0.19652487 -0.61109230
[17,] -1.67056007 -0.43978334 0.46164805 -0.97022452 -0.92957787
[18,] 0.34908174 1.29140274 -0.69428669 -0.94739520 0.67424984
[19,] -0.07291139 0.14937308 0.25048958 -0.21737017 0.33106716
[20,] 0.45590314 1.78337639 -1.17198752 -0.59142492 0.70282106
A.K.
----- Original Message -----
From: Thomas Parr <thomas.p...@maine.edu>
To: r-help@r-project.org
Cc:
Sent: Wednesday, June 19, 2013 8:16 PM
Subject: [R] Returning name of dataframe?
I am writing a function and I would like to return the name of a data frame
in a paste call, but I can't figure out how to just get the name. The names
of the data frames used, won't be the same each time. I have to be
overlooking the obvious.
#For example:
a<-replicate(5, rnorm(20))
b<-replicate(5, rnorm(20))
xyz<-function(x,y){
z<-x+y
print(paste("the sum of", x, "and", y,"is", sep=" "))
z
}
xyz(a,b)
#That function should return:
>"the sum of a and b is:"
>.and some data.
Not surprisingly, it returns all the data in the data frame.
Thanks,
Thomas
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______________________________________________
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
