Displaying 20 results from an estimated 200 matches similar to: "SNP Tables"
2011 Mar 10
1
snp-chip table
Dear R helpers
I have a table and i need to make new table
table1:
sire snp1 snp2 snp3 snp4 snp5 snp6 snp7 snp8 snp9 snp10
snp11 snp12 snp13 snp14 snp15 8877 -1 -1 -1 -1 0 0 -1 -1 -1 0 1 1 1 -1 -1
7765 1 1 1 0 0 0 -1 1 1 1 0 0 0 1 0 8766 1 1 -1 0 -1 -1 0 -1 0 -1 -1 -1 0 1
0 6756 0 1 0 -1 1 -1 -1 0 0 0 0 -1 0 1 1 5644 -1 0 1 -1 0 0 0 0 -1 -1 0 0 0
0 1
I have table2
sire
2011 Jan 23
1
SNP IMPUTATION
Hi
ihave one table that look like
SNP1 SNP2 SNP3 SNP4 SNP5
SIRE1 1 -1 -1 1 -1
SIRE2 1 -1 1 1 1
SIRE3 -1 -1 1 1 0
SIRE4 -1 1 1 0 1
SIRE5 -1 1 -1 -1 1
SIRE6 0 0 0 1 -1
SIRE7 -1 0 -1 1 1
SIRE8 1 -1 NA 0 NA
SIRE9 -1 1 1 -1 -1
SIRE10 1 1 1 1 1
table 2 only one line
SNP1 SNP2 SNP3 SNP4 SNP5
SIRE100 -1 -1 1 1 -1
I need to male
2009 Mar 26
4
same value in column-->delete
Hi Readers,
I have a question.
I have a large dataset and want to throw away columns that have the same
value in the column itself and I want to know which column this was.
For example
> x<-data.frame(id=c(1,2,3), snp1=c("A","G",
"G"),snp2=c("G","G","G"),snp3=c("G","G","A"))
2009 Feb 27
5
Filtering a dataset's columns by another dataset's column names
Hello all,
I hope some of you can come to my rescue, yet again.
I have two genetic datasets, and I want one of the datasets to have only the columns that are in common with the other dataset.
Here is a toy example (my real datasets have hundreds of columns):
Dataset 1:
Individual SNP1 SNP2 SNP3 SNP4 SNP5
1 A G T C A
2 T C A G T
3 A C T
2010 Aug 05
2
a question about 'read.table' with or without 'read.table'.(urgent)
Hi, I've got a quite tricky question.
I have a txt file, named 'temp.txt', as the following:
snp1 snp2 snp3
AA 00 00
GG GG 00
00 AA 00
I want to read the file into R.
1) when I use 'read.table' without 'header=T' option,
> temp <- read.table('temp.txt')
# I got
> temp
V1
2009 Mar 20
1
reshape dataframe
Hi,
I have a large dataset on which I would like to do the following:
x<-data.frame(id=c(1,2,3), snp1=c("AA","GG",
"AG"),snp2=c("GG","AG","GG"),snp3=c("GG","AG","AA"))
> x
id snp1 snp2 snp3
1 1 AA GG GG
2 2 GG AG AG
3 3 AG GG AA
And then
2010 Aug 05
2
questions about string handling
Hi, I have a question about the data handling. I have a dataset as following:
ID snp1 snp2 snp3
1001 0/0 1/1 1/1
1002 2/2 3/3 1/1
1003 4/4 3/3 2/2
I want to convert the dataset to the following format:
ID snp1 snp2 snp3
1001 00 AA AA
1002 GG
2011 Jan 22
1
R TABELS
Hi
ihave one table that look like
SNP1 SNP2 SNP3 SNP4 SNP5
SIRE1 1 -1 -1 1 -1
SIRE2 1 -1 1 1 1
SIRE3 -1 -1 1 1 0
SIRE4 -1 1 1 0 1
SIRE5 -1 1 -1 -1 1
SIRE6 0 0 0 1 -1
SIRE7 -1 0 -1 1 1
SIRE8 1 -1 NA 0 NA
SIRE9 -1 1 1 -1 -1
SIRE10 1 1 1 1 1
table 2 only one line
SNP1 SNP2 SNP3 SNP4 SNP5
SIRE100 -1 -1 1
2013 Jul 02
2
Recoding variables based on reference values in data frame
I'm new to R (previously used SAS primarily) and I have a genetics data
frame consisting of genotypes for each of 300+ subjects (ID1, ID2, ID3,
...) at 3000+ genetic locations (SNP1, SNP2, SNP3...). A small subset of
the data is shown below:
SNP_ID SNP1 SNP2 SNP3 SNP4 Maj_Allele C G C A Min_Allele T A T G ID1
CC GG CT AA ID2 CC GG CC AA ID3 CC GG
nc
AA
2009 Sep 01
1
permutation and reshuffling
Hi,
I'm looking for an efficient code that will enable me to reshuffle data
(phenotype) for certain number of individuals and creating a loop that will
randomly simulate it for 10000 times *(permutation)*. I also need to find
how I keep the information (p value for each SNP) gathered for all the 10000
iterations.
My data set looks like this (n=500):
Individual #
Phenotype
SNP1
SNP2
2008 May 13
2
array dimension changes with assignment
Why does the assignment of a 3178x93 object to
another 3178x93 object remove the dimension attribute?
> GT <- array(dim = c(6,nrow(InData),ncol(InSNPs)))
> dim(GT)
[1] 6 3178 93
> SNP1 <- InSNPs[InData[,"C1"],]
> dim(SNP1)
[1] 3178 93
> SNP2 <- InSNPs[InData[,"C2"],]
> dim(SNP2)
[1] 3178 93
> dim(pmin(SNP1,SNP2))
[1] 3178 93
2008 Jan 21
2
reordering huge data file
Dear R-experts,
My problem is how to handle a 10GB data file containing genotype data. The file is in a particular format (Illumina final report) and needs to be altered and merged with phenotype data for further analysis.
PERL seems to be an frequently used solution for this type of work, however I am inclined to think it should be doable with R.
How do I open a text-file, line by line,
2011 Apr 15
1
no solution yet, please help: extract p-value from mixed model in kinship package
I am making the question clear. Please help.
> Dear R experts
>
> I was using kinship package to fit mixed model with kinship matrix.
> The package looks like lme4, but I could find a way to extract p-value
> out of it. I need to extract is as I need to analyse large number of
> variables (> 10000).
>
> Please help me:
>
> require(kinship)
>
> #Generating
2009 Sep 22
2
glm analysis repeated for 900 variables
Dear R users,
Could you help my with the following problem?
I want to repeat a glm analysis with 2 independent variables for all 900
variables (snps) in my data set. So, I want to check whether snp1 has a
different effect on my outcome variable in patients and
controls(phenotype). And repeat that for snp2 to snp900.
Is there an easy way to get a summary of the data, e.g. a list of P
values of all
2011 Jun 22
2
Hardy Weinberg
Hello all,
I am interested in simulating 10,000 2 x 3 tables for SNPs data with the
Hardy Weinberg formulation. Is there a quick way to do this? I am assuming
that the minor allelle frequency is uniform in (0.05, 0.25).
--
Thanks,
Jim.
[[alternative HTML version deleted]]
2009 Apr 22
3
Merging data frames, or one column/vector with a data frame filling out empty rows with NA's
Hello
I have two data frames, SNP4 and SNP1:
> head(SNP4)
Animal Marker Y
3213 194073197 P1001 0.021088
1295 194073197 P1002 0.021088
915 194073197 P1004 0.021088
2833 194073197 P1005 0.021088
1487 194073197 P1006 0.021088
1885 194073197 P1007 0.021088
> head(SNP1)
Animal Marker x
3213 194073197 P1001 2
1295 194073197 P1002 1
915 194073197
2011 Apr 14
0
extract p-value from mixed model in kinship package
Dear R experts
I was using kinship package to fit mixed model with kinship matrix.
The package looks like lme4, but I could find a way to extract p-value
out of it. I need to extract is as I need to analyse large number of
variables (> 10000).
Please help me:
require(kinship)
Generating random example data
id <- 1:100
dadid <- c(rep(0, 5), rep(1, 5), rep(3, 5), rep(5, 5), rep(7,
2011 Jan 03
0
Using PCA to correct p-values from snpMatrix
Hi R-help folks,
I have been doing some single SNP association work using snpMatrix. This works
well, but produces a lot of false positives, because of population structure in
my data. I would like to correct the p-values (which snpMatrix gives me) for
population structure, possibly using principle component analysis (PCA).
My data is complicated, so here's a simple example of what
2014 Jun 03
2
LIbvirt Python Snapshot -Domain Crashing
Hi,
I'm using libvirt(1.0.0) with python, for managing virtual machines..
but while taking multiple snapshot domain is crashing...
Snapshot XML
-------------------------
<domainsnapshot>
<name>snp1</name>
<creationTime></creationTime>
<description>Description</description>
<state></state>
<domain>
2010 May 28
0
how to use GenABEL genetic information??
Does anyone use the R library GenABEL? I am using it to calculate SNP
interactions.
I have a list of 100 SNPs, I need to look at the interaction between each of
two SNPs among the list. my question is how to perform this in GenABEL. I
want to use the "lm" function, but don't know how to use the SNP
information.
for example:
result <- (lm(y~SNP1+SNP2+SNP1*SNP2))
the problem here