[R] how to ignore or omit somethings while reading the data table

[mrafi]

yeah..that worked for me...thanks...!!

jholtman wrote:
> 
> Here is a way of doing it:
> 
>> x <- "1 2 $.05
> + 3 4 $1.05
> + 5 6 $23.56"
>> x <- read.table(textConnection(x))
>> x
>   V1 V2     V3
> 1  1  2   $.05
> 2  3  4  $1.05
> 3  5  6 $23.56
>> # delete "$" and convert to numeric
>> x$converted <- as.numeric(sub("\\$", "", as.character(x$V3)))
>> str(x)
> 'data.frame':   3 obs. of  4 variables:
>  $ V1       : int  1 3 5
>  $ V2       : int  2 4 6
>  $ V3       : Factor w/ 3 levels "$.05","$1.05",..: 1 2 3
>  $ converted: num   0.05  1.05 23.56
>> x
>   V1 V2     V3 converted
> 1  1  2   $.05      0.05
> 2  3  4  $1.05      1.05
> 3  5  6 $23.56     23.56
> 
> 
> On Jan 2, 2008 8:14 AM, mrafi <confessin at gmail.com> wrote:
>>
>> hello respected ppl...
>> am a engg. student...i was trying to use R in statistical calculations
>> now the problem is..i imported a huge tsv file onto R...it has a column
>> which gives cost...and it has "$" with each numerical value in this
>> column...it is something like this..$.05,$.1,$.075...and so on..
>> R is reading it as "character vector"...
>> i tried using all the arguments but could only change it to a "factor"
>> i want to read it as numericals...and perform further operations..
>> i know it is a stupid problem but can any1 help me get outta this...
>> thank you all...!!!
>> --
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>> Sent from the R help mailing list archive at Nabble.com.
>>
>> ______________________________________________
>> R-help at r-project.org mailing list
>> https://stat.ethz.ch/mailman/listinfo/r-help
>> PLEASE do read the posting guide
>> http://www.R-project.org/posting-guide.html
>> and provide commented, minimal, self-contained, reproducible code.
>>
> 
> 
> 
> -- 
> Jim Holtman
> Cincinnati, OH
> +1 513 646 9390
> 
> What is the problem you are trying to solve?
> 
> ______________________________________________
> R-help at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
> 
> 

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