[R] Read.Table Reading a Text file

[Petr Pikal]

On 7 Oct 2004 at 20:18, Kunal Shetty wrote:

> Dear R users and Helpers
> 
> I am beginner with using R and interested in carrying out certain task
> for my statistical research. I am reading data for a text file, which
> could contain data in following pattern
> 
> x	y
> 8	10
> 11	14
> 16	16
> 18	15
> 6	20
> 4	4
> 20	18
> 
> As per the example I have two columns and 7 rows of data in each.
> However is real life data situation I may not know how many columns
> are present and how rows are present  and also with the certain data
> is missing. Yes I am assuming the data is delimited my Tab.
> 
> 
> My question or rather problem is I want read data from each colum say
> col x (8,11,16,18.....20) and store it into a variable so that I could
> perform some operations on them.

Hi

Better to read by appropriate read.whatever() function to data 
frame, see eg. ?read.table 

I hope you have already read some intro documents in which there 
is stated how you could read your data and organize them. I also 
recommend to go through Paul Johnsons Rtips. You can find it by 
e.g. Google.

Cheers
Petr



> 
> I have also looked into certain R-help for Read.table and data.frame
> but still struggling on my requirement. They are
> 
> http://tolstoy.newcastle.edu.au/R/help/04/07/2040.html
> http://tolstoy.newcastle.edu.au/R/help/04/07/3152.html
> 
> 
> Regards
> Kunal
> 
> ______________________________________________
> R-help at stat.math.ethz.ch mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide!
> http://www.R-project.org/posting-guide.html

Petr Pikal
petr.pikal at precheza.cz