[R] Why the error is coming, can anyone help?

[Jeff Newmiller]

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:

>
>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
>
>
>> -----Original Message-----
>> From: r-help-bounces at r-project.org
>[mailto:r-help-bounces at r-project.org] On Behalf
>> Of Sri krishna Devarayalu Balanagu
>> Sent: Wednesday, September 05, 2012 11:54 PM
>> To: r-help at r-project.org
>> Subject: [R] Why the error is coming, can anyone help?
>>
>> Hi everyone
>> Can anyone help?
>>
>> x = c("Treatment", "Planned", "Actual", "Demographics", "Outcomes")
>> for (i in x) {
>> df <- paste(i)[, c("Reference_ID", "Arm_ID")]
>> unique(df) -> uniq
>> as.data.frame(table(uniq$Reference_ID)) -> y
>> i.Arms<- paste(y$Var1, y$Freq, sep="_")
>> Print_Message("Check for the Total No of Arms in Trial_level_info and
>print(i) sheet",
>> Trial.Arms, print(i).Arms, "Trial level sheet", "print(i) sheet")
>> }
>>
>> Error: unexpected symbol in:
>> "i.Arms<- paste(y$Var1, y$Freq, sep="_")
>> Print_Message("Check for the Total No of Arms in Trial_level_info and
>print(i) sheet",
>> Trial.Arms, print(i).Arms"
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