[R] help

R. Michael Weylandt <michael.weylandt@gmail.com> michael.weylandt at gmail.com
Wed Jan 11 02:37:38 CET 2012


That sort of name is allowed but not advised because it can lead to confusion in certain non-standard evaluation functions like subset(). If you really want the name like that add the check.names = FALSE argument to read.table()

Michael Weylandt

On Jan 10, 2012, at 5:57 PM, Anna Olofsson <anol2900 at student.su.se> wrote:

> Thank you! The c was missing. I don't know if it's ok to continue on this
> thread, but I also had another question about reading data. I have this
> file containing 3 columns and 19 rows. 
> 
> 0    0.96    0.21    
> 0    0.45    0.4
> 0    0.87    0.1
> 0    0.56    0.04
> 0    0.57    0.04
> 0    0.2    0.7
> 0    0.45    0.43
> 0    0.35    0.21
> 0    0.75    0.56
> 1    0.63    0.43
> 1    0.95    0.32
> 1    0.42    0.2
> 1    0.12    0.05
> 1    0.56    0.06
> 1    0.34    0.3
> 1    0.1    0.7
> 1    0.11    0.75
> 1    0.2    0.21
> 1    0.95    0.37
> 
> I tried to read it into R, but I'm not exactly sure exactly what to use as
> input. This is my input line using read.table:
> 
> data1 <- read.table(file = "filename.txt", header=FALSE, col.names =
> c("class", "P", "1G"))
> 
> but in the output I get an X infront of "1G", which disappears when I run
> it with the name 'G' instead of '1G'. Am I not allowed to use numerical
> values? 
> 
> Best,
> Anna
> 
> 
> 
> 
> On Tue, 10 Jan 2012 23:02:04 +0100, Anna Olofsson <anol2900 at student.su.se>
> wrote:
>> Hi,
>> I'm pretty new at programming and with the R language. I'm just trying
> to
>> get familiar with R and wrote a script in gedit (should I use emacs
>> instead?),
>> 
>> x <- [10.4  5.6  3.1  6.4 21.7]
>> y <- [12,5.6, 7.2, 1.0, 9.3]
>> plot(x,y)
>> 
>> then I went to the command window in the terminal (I'm using unix) to
> run
>> this with source("name_of_file"), but it doesn't work. Shouldn't a plot
>> come up automatically when I run it? What am I doing wrong? It knows
> what x
>> and y is, but I don't get an error of what might be wrong.
>> 
>>> source("name_of_file")
>>> x
>> [1] 10.4  5.6  3.1  6.4 21.7
>> 
>> 
>> Best,
>> Anna
> 
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