[R] data manipulation

[Liaw, Andy]

You just need to try harder in reading the documentation.  Try:

data <- matrix(scan("file-name"), ncol=29, byrow=TRUE)

Andy

> From: Yoko Nakajima
> 
> Hello,
> 
> may I ask a further question?
> 
> I have realized that "data <-
> matrix(scan("file-name"), ncol=29)" will read the data 
> differently than I
> thought, i.e., (4,1) is the first column,  (17,1) is the 
> second column, and
> (1,1) is the third and so on by this code - please see the data below.
> Therefore, the data set I have would not be in order if I 
> used this code.
> 
> It needed to be read as: (4.4) first column, (1,1) the second 
> column, and
> (17, 17) is the third and so on (i.e., from 4 to 0.5611 makes 
> the first row
> and another 4 to 0.5611 makes the second row and so on). So,
> 
> V1 V2 V3 ...     V29
> 4    1    17   ...  0.5611
> 4    1    17   ...  0.5611
> 
> was needed.
> 
> (Now I have ,
> V1 V2 V3  ....         V29
> 4    17   1           ...  0.6578
> 1    1   -5.1536  ...   0.5611)
> 
> 
> [The data set I have may have around 1000 sets of them (29 
> variables times
> around 1000 sets of these 29 variables). I only paste here two sets of
> them.]
> 4 1 17 1 1
> -5.1536 -0.1668 -2.3412 -0.5062  0.9621  0.3640  0.3678
> -0.5081 -0.2227
> 0.8142 -0.0389 -0.0445 -0.0578 -0.1175 -0.1232  0.8673
> -0.1033 -0.0796
> -0.0341 -0.1716 -0.1801 -0.7014  0.6578  0.5611
> 
> 4 1 17 2 1
> -5.1536 -0.1668 -2.3412 -0.5062  0.9621  0.3640  0.3678
> -0.5081 -0.2227
> 0.8142 -0.0389 -0.0445 -0.0578 -0.1175 -0.1232  0.8673
> -0.1033 -0.0796
> -0.0341 -0.1716 -0.1801 -0.7014  0.6578  0.5611
> 
> 
> 
> I need 29 columns. This is true. But the data was read differently by
> "ncol=29". Is there any way I can handle this problem by R?
> 
> I would very appreciate it if you could let me know. My guess 
> is that I
> should probably rearrange the data set  by excel etc.. I have used
> "data.entry(data)" and found this. I can not analyze this data set.
> 
> Thank you very much, in advance.
> Sincerely,
> Yoko.
> 
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