Displaying 20 results from an estimated 1000 matches similar to: "how to extract the 1st field from a vector of strings"
2009 Sep 29
4
How can I avoid a for-loop through sapply or lapply ?
Through converting a miRNAs file from FASTA to character format I get a vector which looks like the following:
> nml
[1] "hsa-let-7a MIMAT0000062 Homo sapiens let-7a"
[2] "hsa-let-7b MIMAT0000063 Homo sapiens let-7b"
[3] "hsa-let-7c MIMAT0000064 Homo sapiens let-7c"
[4] "hsa-let-7d MIMAT0000065 Homo sapiens
2009 Nov 20
1
how to specify the order of panels with xyplot
> chromosomes
id refseq name length
1 0 NC_000001.9 Homo sapiens chromosome 1 247249719
2 1 NC_000002.10 Homo sapiens chromosome 2 242951149
3 2 NC_000003.10 Homo sapiens chromosome 3 199501827
4 3 NC_000004.10 Homo sapiens chromosome 4 191273063
5 4 NC_000005.8 Homo sapiens chromosome 5 180857866
6 5 NC_000006.10 Homo sapiens chromosome 6
2011 Sep 13
2
GO & Protein Complex Analysis for Homo sapiens
Dear All,
I need to fetch GO ontologies for Homo sapiens with their mappings to
corresponding Uniprot identifiers. I would be using this information to
compare result from a clustering algorithm with existing protein complexes.
This would be a test to check how the clustering algorithm accurately
captures GO terms with respect to the known protein complexes. Can anyone
suggest a simple workflow
2011 Apr 20
1
Pattern match
Hi ALL,
I have very simple question regarding pattern matching. Could anyone tell me
how to I can use R to retrieve string pattern from text file. for example
my file contain following information
SpeciesCommon=(Human);SpeciesScientific=(Homo
sapiens);ReactiveCentres=(N,C,C,C,+
H,O,C,C,C,C,O,H);BondInvolved=(C-H);EzCatDBID=(S00343);BondFormed=(O-H,O-H);Bond+
2007 Mar 11
1
recoding question
Hi R-users,
I have a data frame like this:
photographer category picture points
Hannu kalat limamikko 1
Teemu kalat verkkovaja 3
Hate kalat munat puoliks padassa 6
Hannu kalat isokala 8
Teemu kasvit, sienet ja muut eliöt harppi 2
Hate kasvit, sienet ja muut eliöt pyynikki 2
Petteri kasvit, sienet ja muut eliöt harmaaleppä 5
Lauri kasvit, sienet ja muut eliöt lumipuu 9
Teemu linnut kainostelua 1
2015 Oct 13
3
RFC: Introducing an LLVM Community Code of Conduct
On 13 October 2015 at 16:41, Rafael Espíndola <llvm-dev at lists.llvm.org> wrote:
>> - *Be welcoming.* We strive to be a community that welcomes and supports
>> people of all backgrounds and identities. This includes, but is not limited
>> to members of any race, ethnicity, culture, national origin, colour,
>> immigration status, social and economic class, educational
2009 Oct 21
0
drawing a line indicating extent of each factored data series in multipanel lattice xyplot
Hi,
Am am plotting aggregated frequency data (extracted from an RDBMS)
relating to DNA sequence features for each of the human chromosomes as
described in the table chromosomes below (the frequency data is in a
table 'hits' that has a value (or not) for each of a set of bins across
each chromosome).
I would like to mark the extent of the chromosome (according to the
length value in
2007 Mar 10
2
barplot, for loop?
Hi R-users,
I have a dataset like this:
kuvaaja
kuva
yhteispisteet
Hannu
isokala
8
Hannu
kaapin alta löytynyt
2
Hannu
kaapin alta löytynyt 2
8
Hannu
limamikko
1
Hannu
maukasta marmeladia
8
Hannu
skrinnareita
4
Hate
madekoukkujen suojelupyhimys
3
Hate
matka aikaan joka ei enää palaa
3
Hate
munat puoliks padassa
6
Hate
pyynikki
2
Hate
vailla armeerausta
2
2011 Apr 13
1
strategy for writing out file with lines header initiated with comment sign
Dear all,
I have data.frame object in R. I want to export it in tab-delimited
file with several lines of header initiated with comment sign (#). I
do not know how to do that in R. Could you please give helps on this
problem?
Thanks in advance.
Best,
Jian-Feng,
##################################################################
The lines I want to write in the header lines look like, with words
2009 Jul 01
3
is there a way to extract fata from web pages through some R function ?
I deal with a huge amount of Biology data stored in different databases.
The databases belongig to Bioconductor organization can be accessed through Bioconductor packages.
Unluckily some useful data is stored in databases like, for instance, miRDB, miRecords, etc ... which offer just an
interactive HTML interface. See for instance
http://mirdb.org/cgi-bin/search.cgi,
2011 Sep 06
2
subsetting tables
Hi guys,
one of the questions where you need a real human instead of a search engine,
so it would be great if you could help.
I have a matrix of z-scores which I would like to filter, sometimes
columnwise, sometimes rowwise. Data looks like this:
Allstar hsa.let.7a hsa.let.7a.1 hsa.let.7a.2
2 0.87 0.79 -0.57 1.07
3 0.67 -1.14 -0.78 -0.95
4
2008 Nov 06
1
replacing values in a vector
Hello list.
I have a vector of values:
eg
> head(diff_mirs_list)
[1] "hsa-miR-26b" "hsa-miR-26b" "hsa-miR-23a" "hsa-miR-27b" "hsa-miR-29a"
[6] "hsa-miR-29b"
and I would like to conditionally replace each value in this vector with a number defined in a dataframe:
> fc
???????????? Probe ave.fc
1?????? hsa-let-7a?? 1.28
2?????
2013 Jul 10
2
Replacing part of delimited string with R's regex
I have the following list of strings:
name <- c("hsa-miR-555p","hsa-miR-519b-3p","hsa-let-7a")
What I want to do is for each of the above strings
replace the text after second delimiter with "zzz".
Yielding:
hsa-miR-zzz
hsa-miR-zzz
hsa-let-zzz
What's the way to do it?
[[alternative HTML version deleted]]
2011 Oct 04
1
a question about sort and BH
Hi,
I have two questions want to ask.
1. If I have a matrix like this, and I want to figure out the rows whose
value in the 3rd column are less than 0.05. How can I do it with R.
hsa-let-7a--MBTD1 0.528239197 2.41E-05
hsa-let-7a--APOBEC1 0.507869409 5.51E-05
hsa-let-7a--PAPOLA 0.470451884 0.000221774
hsa-let-7a--NF2 0.469280186 0.000231065
hsa-let-7a--SLC17A5
2013 Jan 27
2
rpart
Hi,
When I look at the summary of an rpart object run on my data, I get 7 nodes but when I plot the rpart object, I get only 3 nodes. Should the number of nodes not match in the results of the 2 functions (summary and plot) or it is not always the same?
Look forward to your reply,
Carol
--------------------------------------------
?summary(rpart.res)
Call:
rpart(formula = mydata$class ~ ., data
2011 Sep 30
1
Hi
Hi,
There is a question that I am confused.
I have a set of data like this:
hsa-miR-205--GATA3 0.797882767 1.08E-13
hsa-miR-205--ITGB4 0.750217593 1.85E-11
hsa-miR-187--PGF 0.797604155 3.24E-11
hsa-miR-205--SERPINB5 0.744124886 3.28E-11
hsa-miR-205--PBX1 0.734487224 7.89E-11
hsa-miR-205--MCC 0.72499934 1.80E-10
hsa-miR-205--WNT5B 0.717705259 3.33E-10
hsa-miR-200c--PKN2 0.721746815
2012 Nov 01
1
GraphNEL object retrieve edgenumber from acc() or is it list of lists?
Hello everyone,
Im working with graphNEL object and want to extract all the nodes which
have adjacent nodes with at least 20 nodes in between them.
acc(graph, graphnodes) obviously provides a list for the accessable
nodes of every node from a node and a number of the edges between them.
Like this:
$`hsa:8379`
hsa:100131844 hsa:10393 hsa:246184 hsa:29882 hsa:29945
1
2011 Aug 15
3
Plot from function
*I have the following function:*
/plot_mi_time = function(mdata, miname) {
mdata2 = mdata[row.names(hakat) == miname, ]
print(mdata2)
xcoords <- c(1,1,2,2,3,3,4,4,5,5,6,6)
plot(c(xcoords), mdata2, xaxt="n", ylab="Expression", xlab="Time(h)", ,
main=miname)
axis(1, at=xcoords,
2003 Oct 09
2
No NT domain controller is available problem
Hi all,
I have samba server 2.2.8a to act as a PDC on a mixed
WinXP/Win2k/WinNT
network.
I joined all my workstations to the domain with no
problem... And users
can login into the domain
and access their folders/printers, BUT!!! Every now and
then they
cannot log in getting error message
that domain controller cannot be found....
I'm trying to track the problem down :-) When I went thru
2010 Dec 17
1
help with function
Hello List
I'm moving this over from the bioC list as, although the problem I'm working on is biological, the current bottle neck is my poor understanding of R.
I wonder if someone would help me with the following function.
cumulMetric <- function(deMirPresGenes, deMirs){
???
#need to match position of each miR in deMirPresGenes with its FC to form a vector of FC in correct order
?