Displaying 20 results from an estimated 80 matches similar to: "how to find and use specific column after spliting dataframe"
2008 Jun 19
4
Problems with lm()
Dear R-users:
I am a new R-user and I have a question about lm
function. Here is my data.
a<-c(1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13,14,14)
b<-c(1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2)
c<-c(2,1,1,2,2,1,1,2,2,1,1,2,2,1,1,2,2,1,1,2,2,1,1,2,2,1,1,2)
d<-c(2,2,1,1,2,2,1,1,2,2,1,1,2,2,1,1,2,2,1,1,2,2,1,1,2,2,1,1)
2007 Sep 06
1
The variables combined in a table from other table and combination questions
Dear All:
I need to have some data frame objects.
First aa object:
pH Formulation time Subject
[1]1.2 F 0 1
[2]7.4 S 1 2
[3] MF 2 3
[4] 3 4
[5] n i
Then, I need to produce 2*3(pH*formulation) different
tables. This table includes column of (pH,
Formulation, time S1 S2 S3 ?K..Si) and S1=
2008 Jul 10
1
“Check” problem
Dear all:
I ?m a newer. I have some problem when I check my package.
The error messages were as follows. It shows that the problem is about Rd file. How can I find where the error is? How can I do??
c:\temp>Rcmd check bear
* checking for working pdflatex ... OK
* using log directory 'c:/temp/bear.Rcheck'
* using R version 2.7.0 (2008-04-22)
* using session charset: CP950
*
2008 Sep 19
1
Type I SS and Type III SS problem
Dear all:
I m a newer on R.? I have some problem when I use?anova function.? I use anova function to get Type I SS results, but I also need to get Type III SS results.? However, in my code, there is some different between the result of Type I SS and Type III SS.? I don?t know why the ?seqe? factor disappeared in the result of Type III SS.? How can I do??
Here is my example and result.
2006 Apr 17
1
strsplit does not return correct value when spliting "" (PR#8777)
Full_Name: Charles Dupont
Version: 2.2.0
OS: linux
Submission from: (NULL) (160.129.129.136)
when
strsplit("", " ")
returns character(0)
where as
strsplit("a", " ")
returns "a".
these return values are not constiant with each other.
Charles Dupont
2006 Apr 17
0
(PR#8777) strsplit does [not] return correct value when spliting ""
Prof Brian Ripley wrote:
> On Mon, 17 Apr 2006, Charles Dupont wrote:
[...]
> > The man page states in the value section that strsplit returns:
> > A list of length 'length(x)' the 'i'-th element of which contains
> > the vector of splits of 'x[i]'.
> >
> > It mentions no change in behavior if the value of x[i] = "".
>
2006 Jul 28
1
spliting
Dear mailing list,
I have a big data frame and each element in the matrix has two alphabets. I
want to split those alphabets into two so each element will have one
alphabet and the number of my columns will be doubled . So can some one help
with the code?
Example of what I want is to split them.
Input (three column)
GG AG AG
CC CC CC
CC CC CC
AG
2008 Jul 17
2
spliting a string
Hi
String<-"130.5"
Df<-Strsplit(".",":",String)
Then Df get
"" "" "" ""
But I want Df should contains
Df
"130"
"5"
If any body knows how to do it.tel me
Thanks
K.Ravichandra
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2010 Nov 01
1
spliting first 10 words in a string
Hi all,
I have a columnn with text that has quite a few words in it. I would like to split these words in separate columns, but just first ten words in the string. Is that possible in R?
Thank you, m
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2009 Dec 17
2
Problem with spliting a dataframe values
Hi all,
Hi this is kiran
I am facing a problem to split a dataframe
that is..
i have a string like: "a,b,c|1,2,3|4,5,6|7,8,8"
first I have to split with respect to "|"
I did it with command
unlist(strsplit("a,b,c|1,2,3|4,5,6|7,8,8", "\\,"))
after getting that set i made it as a dataframe and it comes like
a,b,c
1,2,3
4,5,6
7,8,8
now i have to
2006 Sep 20
3
Spliting a huge vector
Dear R users,
I have a huge vector that I would like to split into
unequal slices. However, the only way I can do this is
to create another huge vector to define the groups
that are used to split the original vector, e.g.
# my vector is this
a.vector <- seq(2, by=5, length=100)
# indices where I would like to slice my vector
cut.values <- c(30, 50, 100, 109, 300, 601, 803)
# so I have to
2005 Oct 20
5
spliting an integer
Hi there,
From the vector X of integers,
X = c(11999, 122000, 81997)
I would like to make these two vectors:
Z= c(1999, 2000, 1997)
Y =c(1 , 12 , 8)
That is, each entry of vector Z receives the four last digits of each entry of X, and Y receives "the rest".
Any suggestions?
Thanks in advance,
Dimitri
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2007 Oct 11
4
Spliting Folders for Efficiency
Dear Timo,
Would there be any sense in giving Dovecot the option to split folders
into multiple subfolders when they reached a specified size (probably
message count) limit?
Dovecot would monitor folders and when they reached, say, 10,000
messages, silently split the folder on the filesystem to ensure that
access remains fast.
I know that Dovecot scales very well but this would give
2009 Sep 25
7
Spliting columns, strings or reg exp returning substrings
Currently as the first column in a data frame I have string values in the format xx_yy - I want to create a new column with just the substring xx (for each row in turn). Three possible ways to do this might be (1) split the string by '_' using strsplit and paste the first of the resulting variables into a new column, but I have been unable to do this for each row of my data frame in turn
2010 Jun 24
1
?to calculate sth for groups defined between points in one variable (string), / value separating/ spliting variable into groups by i.e. between start, NA, NA, stop1, start2, NA, stop2
Dear useRs,
Thanks for any advices
# I do not know where are the examples how to mark groups
# based on signal occurence in the additional variable: cf. variable c2,
# How to calculate different calculations for groups defined by (split by occurence of c2 characteristic data)
#First example of simple data
#mexample 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
2007 Dec 13
6
spliting strings ...
Hi everyone,
I have a vector of strings, each string made up by different number of words. I want to get a new vector which has only the first word of each string in the first vector. I came up with this:
str <- c('aaa bbb', 'cc', 'd eee aa', 'mmm o n')
str1 <- rep(1, length(str))
for (i in 1:length(str)) {
str1[i] <- strsplit(str, "
2006 Apr 13
0
how to open a linux application in the windows program
I appreciate your help as I begin to understand Wine.
I installed kernel-win32 on Linux,and tried running a program which is developed with vc++6.0.
The program runs well except opening a linux application.
I can use system(),WinExec(),and ShellExecute() to open a windows application in vc++6.0.
The question is,how to open a linux application in my program?and how to fill the correct
2006 Apr 12
2
Bug#362026: RM: xen -- obsolete, new splited xen packages upcoming
Package: ftp.debian.org
Severity: normal
Hello,
Please consider removing xen.
New xen-3.0 splited packages are upcoming, making this one obsolete.
Cheers,
--
Julien Danjou
// <julien@danjou.info> http://julien.danjou.info
// 9A0D 5FD9 EB42 22F6 8974 C95C A462 B51E C2FE E5CD
// The more we fly, the more we climb, the more we know that heaven is a lie.
-------------- next part
2002 Dec 26
1
Dovecot splited fetch problem
Hello,
When I was trying out the IMAP server (using Mozilla as client), I have
no success of receving mail with attachments. Looking it down further
I've found that Mozilla fetches the message in 10k blocks, and the
server seems missed a couple of bytes at where the split occurs...
Mozilla start the fetch by saying:
* 413 FETCH (UID 827 RFC822.SIZE 106371 BODY[]<0> {10240}
-- snip
2007 Dec 28
3
How to catch data from the different dataframes and lm problem?
Dear all:
I am a new R-user and I have 2 questions
about it.
1) I have a dataframe. Based on ?formulation? and ?subject?, a
dataframe is split into 4 dataframes. The
example is as follows. Moreover, I want
to calculate ?test? value for these 4 dataframes. My question is that the ?test? values not
correct and I do not know where the problem is.
2) There are 12 ?test? (y) values from