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Why the error is coming, can anyone help?

8 messages · Sri krishna Devarayalu Balanagu, jim holtman, Berend Hasselman +3 more

#
What did you expect 'print(i).Arms'  to do?  This is causing part of
the problem since the syntax is not correct.

Also what does 'paste(i)[, c("Reference_ID", "Arm_ID")]' do?  Does not
seem correct since 'paste' does not return a matrix.

On Thu, Sep 6, 2012 at 2:54 AM, Sri krishna Devarayalu Balanagu
<balanagudevarayulu at gvkbio.com> wrote:

  
    
#
On 06-09-2012, at 08:54, Sri krishna Devarayalu Balanagu wrote:

            
print(i).Arms is the culprit.
It probably should be  print(i.Arms)
Please leave out the commercials.

Berend
#
Hi
for
What do you think the above paste is doing? Did you try it outsider loop?
Where is Print_Message from?
The message comes usually from syntacticaly invalid commands. Missing commas or something like that.

What do you want actually to achieve? 

Regards
Petr
#
print(i).Arms
is not valid R syntax.  Did you mean
  print(i.Arms)
?

Bill Dunlap
Spotfire, TIBCO Software
wdunlap tibco.com
#
Thank you for the answer. It's working.
But the error occurring here also

df <- paste(i)[, c("Reference_ID", "Arm_ID")]

How to get rid of that.

-----Original Message-----
From: William Dunlap [mailto:wdunlap at tibco.com]
Sent: Thursday, September 06, 2012 10:15 PM
To: Sri krishna Devarayalu Balanagu; r-help at r-project.org
Subject: RE: Why the error is coming, can anyone help?

  print(i).Arms
is not valid R syntax.  Did you mean
  print(i.Arms)
?

Bill Dunlap
Spotfire, TIBCO Software
wdunlap tibco.com
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#
'paste' does not return a matrix, so trying to extract with the '[' is incorrect.  what did you expect from that expression?

Sent from my iPad
On Sep 7, 2012, at 2:41, Sri krishna Devarayalu Balanagu <balanagudevarayulu at gvkbio.com> wrote:

            
#
Learn to use the str() function so you can answer these questions yourself. If you type str(paste(i)) you can learn about the structure of the return value from the paste function, which is not a matrix or a data frame, so two-dimensional subscripting is not going to work on it. You may also benefit from (re)reading the Introduction to R document. Without a reproducible example or an idea of what you want to accomplish, I don't know what _is_ going to work.
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Sri krishna Devarayalu Balanagu <balanagudevarayulu at gvkbio.com> wrote: