on 06/19/2008 11:28 PM Rolf Turner wrote:
On 20/06/2008, at 4:07 PM, Moshe Olshansky wrote:
If you know the value of k then you could do the following:
goodNames - paste(V,1:k,sep=)
ind - which(colnames(df) %in% goodNames)
df[,ind]
(where df is your dataframe).
P.S. I won't be surprised if
Hi,
Suppose I have the following data frame:
V1 V2 V3 var
1 100 200 400 2.3
2 40.5 1.2 20.3
...
In this example the maximum V column is 3.
In my code there the column number can be varied.
My question is how can I access data frame
from column V1 up to Vk (some k and excluding'var' column)?
[EMAIL PROTECTED] wrote:
From: Gundala Viswanath [EMAIL PROTECTED]
Subject: [R] Howto access V-base only column in a data frame
To: [EMAIL PROTECTED]
Received: Friday, 20 June, 2008, 1:27 PM
Hi,
Suppose I have the following data frame:
V1 V2 V3 var
1 100 200 400 2.3
2 40.5 1.2 20.3
On 20/06/2008, at 4:07 PM, Moshe Olshansky wrote:
If you know the value of k then you could do the following:
goodNames - paste(V,1:k,sep=)
ind - which(colnames(df) %in% goodNames)
df[,ind]
(where df is your dataframe).
P.S. I won't be surprised if df[,goodNames] is all right too (have
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