-combine values based on an index?
I am able to split my df into two like so:
dataset - trainset
index - 1:nrow(dataset)
testindex - sample(index, trunc(length(index)*30/100))
trainset - dataset[-testindex,]
testset - dataset[testindex,-1]
So I have the index information
I am able to split my df into two like so:
dataset - trainset
index - 1:nrow(dataset)
testindex - sample(index, trunc(length(index)*30/100))
trainset - dataset[-testindex,]
testset - dataset[testindex,-1]
So I have the index information, how could I re-combine the data using that
back into a
-project.org
Subject: [R] How to re-combine values based on an index?
I am able to split my df into two like so:
dataset - trainset
index - 1:nrow(dataset)
testindex - sample(index, trunc(length(index)*30/100))
trainset - dataset[-testindex,]
testset - dataset[testindex,-1]
So I have the index
Of Brian Feeny
Sent: Saturday, December 01, 2012 8:04 PM
To: r-help@r-project.org
Subject: [R] How to re-combine values based on an index?
I am able to split my df into two like so:
dataset - trainset
index - 1:nrow(dataset)
testindex - sample(index, trunc(length(index)*30/100))
trainset
head(newdataset)
# ID col2
#1 1 0.2002145
#2 2 0.6852186
#3 3 0.9168758
#4 4 0.2843995
#5 5 0.1046501
#6 6 0.7010575
A.K.
- Original Message -
From: Brian Feeny bfe...@mac.com
To: r-help@r-project.org
Cc:
Sent: Saturday, December 1, 2012 11:04 PM
Subject: [R] How to re-combine
-project.org
Subject: [R] How to re-combine values based on an index?
I am able to split my df into two like so:
dataset - trainset
index - 1:nrow(dataset)
testindex - sample(index, trunc(length(index)*30/100))
trainset - dataset[-testindex,]
testset - dataset[testindex,-1]
So I have
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